Little known waterfalls around Big Rock Ridge

The Big Rock Ridge / Marinwood area - 6 preserves from Lucas Valley east to route 101. Bored Feet sells a decent maps of this area from Tom Harrison and from Pease Press (northeast Marin county) which show maybe half the trails in the area.

Arroyo de San Jose running east from near the summit of Big Rock Ridge to Fairway Drive

• waterfall at (38.06314, -122.59087):
  Name: Arroyo de San Jose First Fall
  
  As of March 2011, there's a sign which was added within the past year indicating that the falls are on private property, and that the owner currently allows people to use the trail.
  Beauty: 9
  Duration: 45 days after a significant rainfall
  Height 37 feet
  Biggest vertical drop 12 feet
  Number of drops 2
  Terrain: unofficial trail, frequently used
  private land, no access problems
  For more info, see waterfallswest.com
  http://www.waterfallswest.com/waterfall.php?id=554
  Last visited 2011-03-13
  id: bigrock.73
• waterfall at (38.06232, -122.59209):
  Name: Arroyo de San Jose Second Fall
  
  Beauty: 8.5
  Duration: 45 days after a significant rainfall
  Height 23 feet
  Biggest vertical drop 16 feet
  Terrain: unofficial trail, some difficulties
  private land, no access problems
  For more info, see waterfallswest.com
  http://www.waterfallswest.com/waterfall.php?id=554
  Last visited 2011-03-13
  id: bigrock.74
• waterfall at (38.06231, -122.59240):
  Name: Arroyo de San Jose Third Fall
  
  Beauty: 9
  Duration: 45 days after a significant rainfall
  Height 35 feet
  Biggest vertical drop 3 feet
  Terrain: unofficial trail, some difficulties
  private land, no access problems
  For more info, see waterfallswest.com
  http://www.waterfallswest.com/waterfall.php?id=554
  Last visited 2011-03-13
  id: bigrock.75
• waterfall at (38.06183, -122.59325):
  Name: Arroyo de San Jose Fourth Fall
  
  some cascades at the top that aren't visible from below:
  
  Beauty: 9
  Duration: 40 days after a significant rainfall
  Height 72 feet (broadly defined)
  Height 55 feet
  Biggest vertical drop 6 feet
  Terrain: unofficial trail, some difficulties
  private land, no access problems
  For more info, see waterfallswest.com
  http://www.waterfallswest.com/waterfall.php?id=554
  Last visited 2011-03-13
  id: bigrock.76
• waterfall at (38.06074, -122.59458):
  Name: Arroyo de San Jose Fifth Fall
  
  Beauty: 6
  Beauty: 8 (including beauty of the hike to the falls)
  Duration: 40 days after a significant rainfall
  Height 26 feet (broadly defined)
  Height 18 feet
  Biggest vertical drop 12 feet
  Number of drops 1
  Terrain: unofficial trail, some difficulties
  private land, no access problems
  route: From the end of Fairway Drive, follow the main creek up (west) about a mile (stay left at 0.2 miles). The path becomes somewhat difficult as you pass the bigger waterfalls, then easier at the top of the fourth fall
  Last visited 2010-04-16
  id: bigrock.1
Ignacio Valley Open Space Preserve
Unnamed creek ending near Pensacola Court

• fifth falls at (38.05477, -122.57654):
  
  Duration: 60 days after a significant rainfall
  Height 17 feet
  Biggest vertical drop 5 feet
  Terrain: vague hints of a trail
  route: You can get there by starting upstream from Piping Rock Drive and then following a faint trail southeast that ascends to an elevation of about 500 feet and then traverses - it will intersect the creek just about the fifth falls. Or there's a frequently used trail going up the ridge just east of the falls. I'm guessing it starts on private property near Thunderbird Court. I have not yet checked where it intersects Big Rock Ridge. To find the falls from that trail, look carefully for an abandoned dirt road heading southwest from an elevation of a bit over 500 feet.
  Last visited 2010-05-28
  id: bigrock.29
• fourth falls at (38.05487, -122.57672):
  
  Duration: 60 days after a significant rainfall
  Height 6 feet
  Biggest vertical drop 4 feet
  Number of drops 1
  Terrain: woods, little or no trail
  route: follow the creek downstream from the fifth falls
  Last visited 2010-05-28
  id: bigrock.30
• third falls at (38.05537, -122.57691):
  
  Duration: 60 days after a significant rainfall
  Height 10 feet
  Biggest vertical drop 2 feet
  Terrain: woods, little or no trail
  route: follow the creek downstream from the fifth falls
  Last visited 2010-05-28
  id: bigrock.31
• second falls at (38.05714, -122.57764):
  
  Duration: 60 days after a significant rainfall
  Height 7 feet
  Biggest vertical drop 3 feet
  Number of drops 1
  Terrain: woods, little or no trail
  route: follow the creek downstream from the fifth falls
  Last visited 2010-05-28
  id: bigrock.32
• first falls at (38.05714, -122.57764):
  
  Duration: 60 days after a significant rainfall
  Height 24 feet (broadly defined)
  Biggest vertical drop 5 feet
  Terrain: woods, little or no trail
  route: follow the creek downstream from the fifth falls
  Last visited 2010-05-28
  id: bigrock.33
Pacheco Valle Preserve
Pacheco Creek

• lower falls at (38.04930, -122.55696):
  
  Secret Waterfalls of Marin volume 1 mentions a 150 foot waterfall on a side creek near here, but I've seen nothing that fits that description.
  Beauty: 6
  Duration: 60 days after a significant rainfall
  Height 27 feet give or take 4 feet
  Biggest vertical drop 3 feet
  Terrain: unofficial trail, some difficulties
  For more info, see Secret Waterfalls of Marin volume 1
  id: bigrock.18
• upper falls at (38.04928, -122.55713):
  Name: Pacheco Valle Falls
  
  Beauty: 7
  Duration: 60 days after a significant rainfall
  Height 90 feet give or take 12 feet
  Biggest vertical drop 6 feet
  Number of drops 2
  Terrain: unofficial trail, some difficulties
  For more info, see Secret Waterfalls of Marin volume 1
  id: bigrock.19
Little Pacheco Creek (no photos due to a camera problem)

• waterfall at (38.05111, -122.55659):
  
  
  Height 13 feet
  Terrain: vague hints of a trail
  For more info, see Secret Waterfalls of Marin volume 2
  route: From the end of Pacheco Creek Drive, follow the trail along the main creek a short way, take a right where the creek forks, and stay left along that smaller creek for a few hundred yards
  Last visited 2010-04-22
  id: bigrock.21
Unnamed creek small side creek on north side of Little Pacheco Creek

• waterfall at (38.05121, -122.55662):
  
  Duration: 2 days after a significant rainfall
  Height 10 feet
  Biggest vertical drop 6 feet
  Terrain: vague hints of a trail
  Last visited 2010-04-22
  id: bigrock.22
Little Pacheco Creek (no photos due to a camera problem)

• waterfall at (38.05103, -122.55760):
  
  Height 7 feet
  Biggest vertical drop 7 feet
  Number of drops 1
  Terrain: vague hints of a trail
  route: From the end of Pacheco Creek Drive, follow the trail along the main creek a short way, take a right where the creek forks, and stay left along that smaller creek for 0.2 miles
  Last visited 2010-04-22
  id: bigrock.23
• waterfall at (38.05153, -122.55837):
  
  Height 15 feet
  Biggest vertical drop 6 feet
  Terrain: vague hints of a trail
  route: From the end of Pacheco Creek Drive, follow the trail along the main creek a short way, take a right where the creek forks, and stay left along that smaller creek for 0.25 miles
  Last visited 2010-04-22
  id: bigrock.24
• waterfall at (38.05193, -122.55868):
  
  Height 24 feet
  Biggest vertical drop 5 feet
  Terrain: vague hints of a trail
  route: From the end of Pacheco Creek Drive, follow the trail along the main creek a short way, take a right where the creek forks, and stay left along that smaller creek for 0.3 miles
  Last visited 2010-04-22
  id: bigrock.25
Unnamed creek The northernmost fork of Pacheco Creek (of those upstream from the paved road)

• On another fork of Pacheco creek at (38.05343, -122.55547):
  
  Height 10 feet
  Biggest vertical drop 10 feet
  Number of drops 1
  Terrain: moderate brush, little or no trail
  route: From the end of Pacheco Creek Drive, follow the trail along the main creek a short way, take a right where the creek forks, and stay right at the next fork. Go 0.2 miles upstream.
  Last visited 2010-04-22
  id: bigrock.26
• waterfall at (38.05199, -122.55478):
  
  Height 14 feet
  Biggest vertical drop 5 feet
  Terrain: vague hints of a trail
  route: From the end of Pacheco Creek Drive, follow the trail along the main creek a short way, take a right where the creek forks, and stay right at the next fork. Go 100 yards upstream.
  Last visited 2010-04-22
  id: bigrock.27
Marinwood Community Services District
Unnamed creek side creek in Blackstone Canyon 0.6 miles west of the trailhead on the north side

• waterfall just north of the main creek at (38.04011, -122.56107):
  
  Duration: 3 days after a significant rainfall
  Height 10 feet
  Terrain: unofficial trail, some difficulties
  route: From the end of Valleystone Drive, follow the main canyon upstream 0.6 miles, and if you look carefully you should see it on the right
  id: bigrock.2
• waterfall 50 yards upstream from the previous waterfall
  Duration: 3 days after a significant rainfall
  Height 13 feet
  Terrain: vague hints of a trail
  id: bigrock.3
Unnamed creek side creek in Blackstone Canyon 1 mile west of the trailhead on the north side

• I'm guessing this is the "third waterfall" described in Secret Waterfalls of Marin volume 1 at (38.04327, -122.56582):
  
  Duration: 3 days after a significant rainfall
  Terrain: unofficial trail, frequently used
  For more info, see Secret Waterfalls of Marin volume 1
  id: bigrock.7
Unnamed creek side creek in Blackstone Canyon 0.8 miles west of the trailhead on the south side, flowing more west to east than the other side creeks

• waterfall on south side of the main creek at (38.04041, -122.56277):
  
  Duration: 5 days after a significant rainfall
  For more info, see Secret Waterfalls of Marin volume 1
  id: bigrock.6
Unnamed creek side creek in Blackstone Canyon 0.7 miles west of the trailhead on the south side

• waterfall just south of the main creek, near a large rock outcrop at (38.03990, -122.56202):
  
  Duration: 7 days after a significant rainfall
  Height 15 feet
  For more info, see Secret Waterfalls of Marin volume 1
  id: bigrock.4
• waterfall about 100 yards upstream from the previous one at (38.03895, -122.56252):
  
  Duration: 7 days after a significant rainfall
  Height 10 feet
  id: bigrock.5
Unnamed creek about 0.1 miles east of Queenstone Drive

• waterfall by Queenstone Fire Rd at (38.03440, -122.54989):
  
  Duration: 3 days after a significant rainfall
  Height 8 feet
  Biggest vertical drop 8 feet
  Number of drops 1
  Terrain: well-maintained fire road
  route: follow the Queenstone Fire Rd up about 200 yards from Queenstone Drive and look uphill where the road makes a big right turn
  id: bigrock.41
Unnamed creek descending to Queenstone Drive

• waterfall by Queenstone Fire Rd, at the Queenstone Drive trailhead: at (38.03440, -122.54989):
  
  Duration: 5 days after a significant rainfall
  Height 6 feet
  Terrain: well-maintained fire road
  id: bigrock.8
• waterfall at (38.03544, -122.55099):
  
  Beauty: 4
  Beauty: 5 (including beauty of the hike to the falls)
  Duration: 3 days after a significant rainfall
  Height 12 feet (broadly defined)
  Height 6 feet
  Biggest vertical drop 4 feet
  Terrain: moderate brush, little or no trail
  route: From the north end of Queenstone Drive, follow the nearest stream uphill (northwest) until you've gained about 150 feet of elevation
  Last visited 2010-12-22
  id: bigrock.39
Unnamed creek descending to Queenstone Drive

• waterfall at (38.03389, -122.55204):
  
  Beauty: 4
  Beauty: 5 (including beauty of the hike to the falls)
  Duration: 3 days after a significant rainfall
  Height 8 feet
  Terrain: moderate brush, little or no trail
  route: From the north end of Queenstone Drive, head west (left and slightly uphill) about 350 feet
  Last visited 2010-12-22
  id: bigrock.38
Unnamed creek 0.1 mile west of Queenstone Drive

• waterfall at (38.03393, -122.55304):
  
  Beauty: 4
  Beauty: 5 (including beauty of the hike to the falls)
  Duration: 3 days after a significant rainfall
  Height 6 feet
  Biggest vertical drop 1 feet
  Number of drops 3
  Terrain: moderate brush, little or no trail
  route: From the north end of Queenstone Drive, head west (left and slightly uphill) for about 600 feet
  Last visited 2010-12-22
  id: bigrock.36
• waterfall at (38.03341, -122.55229):
  
  Beauty: 3
  Beauty: 4 (including beauty of the hike to the falls)
  Duration: 2 days after a significant rainfall
  Height 12 feet (broadly defined)
  Height 6 feet
  Biggest vertical drop 2 feet
  Number of drops 4
  Terrain: moderate brush, little or no trail
  route: From the north end of Queenstone Drive, traverse west for about 400 feet and follow the stream uphill a bit
  Last visited 2010-12-22
  id: bigrock.37
Unnamed creek north of Juniperberry Drive

• waterfall on a small stream just north of Juniperberry Rd: at (38.03235, -122.55473):
  
  Beauty: 5
  Beauty: 4 (including beauty of the hike to the falls)
  Duration: 3 days after a significant rainfall
  Height 12 feet (broadly defined)
  Height 8 feet
  Biggest vertical drop 6 feet
  Number of drops 2
  Terrain: moderate brush, little or no trail
  route: From the trailhead at the north end of Juniperberry Drive, go west about 500 feet to the 2nd stream
  id: bigrock.9
• Mostly a slide, with little vertical at (38.03335, -122.55518):
  
  It might be impressive with unusually heavy flow, but it's rarely more than a tricke
  Beauty: 5
  Beauty: 6 (including beauty of the hike to the falls)
  Duration: 2 days after a significant rainfall
  Height 60 feet (broadly defined)
  Height 50 feet
  Biggest vertical drop 2 feet
  Number of drops 5
  Terrain: moderate brush, little or no trail
  route: From the trailhead at the north end of Juniperberry Drive, go west a short ways and head uphill about halfway to the ridge
  Last visited 2010-12-22
  id: bigrock.34
• waterfall at (38.03393, -122.55304):
  
  Beauty: 4
  Beauty: 5 (including beauty of the hike to the falls)
  Duration: 3 days after a significant rainfall
  Height 6 feet
  Biggest vertical drop 1 feet
  Number of drops 3
  Terrain: moderate brush, little or no trail
  route: From the trailhead at the north end of Juniperberry Drive, go west about 100 feet and head uphill
  Last visited 2010-12-22
  id: bigrock.35
Lucas Valley Homeowners Association
Unnamed creek about 0.1 miles east of Mt Lassen Drive

• waterfall near Mt. Lassen Drive at (38.03057, -122.56788):
  
  Duration: 7 days after a significant rainfall
  Height 12 feet (broadly defined)
  Height 10 feet
  Terrain: unofficial trail, some difficulties
  route: There appears to be a trailhead on Mt Dana Ct (off of Mt Lassen Drive. Go east 0.1 mile from there. After crossing a creek follow a faint trail upstream 100 feet. It's right where you enter some woods.
  id: bigrock.10
Unnamed creek northeast of Pikes Peak Drive

• waterfall northeast of Mt. Shasta Drive: at (38.03441, -122.57237):
  
  Duration: 3 days after a significant rainfall
  Height 6 feet
  Biggest vertical drop 6 feet
  Number of drops 1
  Terrain: moderate brush, little or no trail
  route: From the north end of Pikes Peak Drive, follow a trail north 200 feet, then follow the creek on your right northeast for 300 feet. It will be at a fork in the creek, on the right.
  id: bigrock.11
Unnamed creek northeast of Pikes Peak Drive

• waterfall farther northeast of Mt. Shasta Drive: at (38.03636, -122.57109):
  
  Duration: 5 days after a significant rainfall
  Height 7 feet
  Terrain: moderate brush, little or no trail
  route: From the north end of Pikes Peak Drive, follow a trail north 200 feet, then follow the creek on your right northeast for 300 yards, staying left at the fork
  id: bigrock.12
Unnamed creek 0.2 mile northeast of Rubicon Drive, flowing nearly due west

• waterfall at (38.03850, -122.58030):
  gps coordinates estimated from map, reliability unknown
  
  Beauty: 5
  Beauty: 6 (including beauty of the hike to the falls)
  Duration: 5 days after a significant rainfall
  Height 9 feet
  Biggest vertical drop 3 feet
  Terrain: vague hints of a trail
  route: From the north end of Rubicon Drive, follow the main stream up. A few hundred feet after the end of the ranch on the left, find the second side stream in the large flat area on the right. Follow it up a few hundred feet
  Last visited 2010-12-22
  id: bigrock.40
Unnamed creek starting 0.5 mile east of Rubicon Falls

• waterfall at (38.04039, -122.57527):
  
  lower drop:
  
  looking down:
  
  main drop:
  
  main drop:
  
  upper part:
  
  the main drop is at least 10 feet
  Beauty: 7
  Duration: 10 days after a significant rainfall
  Height 55 feet (broadly defined)
  Height 30 feet
  Biggest vertical drop 5 feet
  Terrain: woods, little or no trail
  Last visited 2011-02-26
  id: bigrock.61
• waterfall at (38.04046, -122.57495):
  
  Beauty: 5
  Duration: 10 days after a significant rainfall
  Height 8 feet (broadly defined)
  Height 7 feet
  Biggest vertical drop 1 feet
  Terrain: woods, little or no trail
  Last visited 2011-02-26
  id: bigrock.62
• waterfall at (38.04044, -122.57957):
  
  seen through a hammock:
  
  Beauty: 4
  Beauty: 5 (including beauty of the hike to the falls)
  Duration: 14 days after a significant rainfall
  Height 10 feet (broadly defined)
  Height 6 feet
  Biggest vertical drop 1 feet
  Terrain: vague hints of a trail
  Last visited 2011-02-26
  id: bigrock.65
• waterfall at (38.04058, -122.58019):
  
  Beauty: 3
  Beauty: 5 (including beauty of the hike to the falls)
  Duration: 14 days after a significant rainfall
  Height 7 feet (broadly defined)
  Height 6 feet
  Biggest vertical drop 3 feet
  Number of drops 2
  Terrain: vague hints of a trail
  Last visited 2011-02-26
  id: bigrock.66
Unnamed creek about 0.4 miles east of Rubicon Falls

• waterfall at (38.04087, -122.57618):
  
  view from near an abandoned fire road 0.1 miles south:
  
  Beauty: 6
  Duration: 5 days after a significant rainfall
  Height 35 feet (broadly defined)
  Height 10 feet
  Biggest vertical drop 10 feet
  Terrain: woods, little or no trail
  id: bigrock.15
• waterfall at (38.04084, -122.57543):
  
  Beauty: 4
  Duration: 4 days after a significant rainfall
  Height 11 feet (broadly defined)
  Height 10 feet
  Biggest vertical drop 1 feet
  Terrain: woods, little or no trail
  Last visited 2011-02-26
  id: bigrock.63
• waterfall at (38.04104, -122.57552):
  
  Beauty: 5
  Duration: 3 days after a significant rainfall
  Height 7 feet
  Terrain: woods, little or no trail
  Last visited 2011-02-26
  id: bigrock.64
Unnamed creek crossing Goat Trail about 0.4 miles below ridge

• waterfall on a lower part of the Goat Trail: at (38.04256, -122.57889):
  
  Beauty: 4
  Beauty: 5 (including beauty of the hike to the falls)
  Duration: 4 days after a significant rainfall
  Height 6 feet
  Biggest vertical drop 5 feet
  Terrain: well-maintained trail
  id: bigrock.17
• waterfall at (38.04200, -122.58070):
  
  Beauty: 6
  Duration: 7 days after a significant rainfall
  Height 15 feet (broadly defined)
  Height 13 feet
  Biggest vertical drop 3 feet
  Number of drops 2
  Terrain: woods, little or no trail
  Last visited 2011-02-26
  id: bigrock.69
• waterfall at (38.04261, -122.57876):
  
  Beauty: 4
  Duration: 4 days after a significant rainfall
  Height 6 feet
  Biggest vertical drop 6 feet
  Terrain: woods, little or no trail
  Last visited 2011-10-11
  id: bigrock.94
• waterfall at (38.04321, -122.57802):
  
  Beauty: 3.5
  Duration: 4 days after a significant rainfall
  Height 12 feet (broadly defined)
  Height 8 feet
  Biggest vertical drop 1 feet
  Terrain: woods, little or no trail
  Last visited 2011-10-11
  id: bigrock.95
• waterfall at (38.04337, -122.57781):
  
  Beauty: 4
  Duration: 4 days after a significant rainfall
  Height 14 feet
  Terrain: woods, little or no trail
  Last visited 2011-10-11
  id: bigrock.96
• waterfall at (38.04345, -122.57729):
  
  Beauty: 5
  Duration: 4 days after a significant rainfall
  Height 15 feet (broadly defined)
  Height 10 feet
  Biggest vertical drop 6 feet
  Terrain: woods, little or no trail
  Last visited 2011-10-11
  id: bigrock.97
Unnamed creek crossing Goat Trail about 0.2 miles below ridge

• waterfall hiding behind some chain ferns on the Goat Trail: at (38.04486, -122.57760):
  
  Beauty: 1
  Beauty: 4 (including beauty of the hike to the falls)
  Duration: 4 days after a significant rainfall
  Height 8 feet
  Terrain: well-maintained trail
  id: bigrock.16
• waterfall at (38.04335, -122.58033):
  
  Beauty: 5
  Duration: 14 days after a significant rainfall
  Height 20 feet (broadly defined)
  Height 17 feet
  Biggest vertical drop 1 feet
  Number of drops 2
  Terrain: woods, little or no trail
  Last visited 2011-02-26
  id: bigrock.68
• waterfall at (38.04315, -122.57994):
  
  Beauty: 5.5
  Duration: 12 days after a significant rainfall
  Height 12 feet
  Biggest vertical drop 6 feet
  Terrain: woods, little or no trail
  Last visited 2011-10-11
  id: bigrock.93
Rubicon Creek

• waterfall at (38.04215, -122.58186):
  Name: Rubicon Falls
  
  cascades at the top:
  
  Beauty: 7
  Duration: 20 days after a significant rainfall
  Height 20 feet (broadly defined)
  Height 13 feet
  Biggest vertical drop 6 feet
  Terrain: unofficial trail, frequently used
  For more info, see Secret Waterfalls of Marin volume 1
  Last visited 2011-02-26
  id: bigrock.67
Lucas Valley Open Space Preserve
Unnamed creek flowing west from near the top of the Luiz Fire Rd

• waterfall at (38.04678, -122.59032):
  
  all but the upper part:
  
  upper part:
  
  lower part:
  
  Beauty: 7
  Duration: 16 days after a significant rainfall
  Height 20 feet (broadly defined)
  Height 10 feet
  Biggest vertical drop 2 feet
  Number of drops 4
  Terrain: woods, little or no trail
  Last visited 2011-02-26
  id: bigrock.70
Unnamed creek the main creek between the Luiz Fire Rd and the Grady Fire Rd

• waterfall at (38.04470, -122.59724):
  
  lower part:
  
  the main cascades going around the rock, small parts flowing over the rock:
  
  upper cascades:
  
  Beauty: 6
  Duration: 45 days after a significant rainfall
  Height 38 feet (broadly defined)
  Height 10 feet
  Biggest vertical drop 6 feet
  Number of drops 5
  Terrain: woods, little or no trail
  Last visited 2011-02-26
  id: bigrock.71
• waterfall at (38.04691, -122.59437):
  
  Beauty: 4
  Duration: 45 days after a significant rainfall
  Height 8 feet
  Biggest vertical drop 4 feet
  Terrain: woods, little or no trail
  Last visited 2011-02-26
  id: bigrock.72
Unnamed creek south of the Big Rock summit

• waterfall at (38.04905, -122.60487):
  
  the upper drop (barely visible in any of the other photos), seen from a few feet away from the top of the largest drop:
  
  Beauty: 9.5
  Duration: 30 days after a significant rainfall
  Height 50 feet
  Biggest vertical drop 20 feet
  Number of drops 3
  Terrain: woods, little or no trail
  route: From the just east of the Big Rock Ridge Summit, follow the large ridge that goes south-southwest a half mile. Before it reaches a level section with a few trees on the ridgetop, traverse east 0.1 mile and follow a smaller ridge down about 0.2 mile. Follow a deer track to the creek on the east side of this ridge. I plan to make a gps track available before too long.
  Last visited 2011-03-16
  id: bigrock.77
• waterfall at (38.05184, -122.60472):
  
  looking down from the top:
  
  Beauty: 7.5
  Duration: 28 days after a significant rainfall
  Height 20 feet (broadly defined)
  Height 12 feet
  Biggest vertical drop 10 feet
  Terrain: woods, little or no trail
  Last visited 2011-03-16
  id: bigrock.92
Unnamed creek

• waterfall at (38.05106, -122.60766):
  
  Beauty: 4.5
  Duration: 5 days after a significant rainfall
  Height 12 feet
  Biggest vertical drop 1 feet
  Terrain: woods, little or no trail
  Last visited 2011-03-16
  id: bigrock.91
Unnamed creek

• waterfall at (38.04640, -122.60816):
  
  the lower part:
  
  upper parts:
  
  Beauty: 6
  Duration: 3 days after a significant rainfall
  Height 60 feet (broadly defined)
  Height 45 feet
  Biggest vertical drop 2 feet
  Terrain: woods, little or no trail
  Last visited 2011-03-16
  id: bigrock.90
Unnamed creek

• waterfall at (38.04561, -122.61021):
  
  Beauty: 5.5
  Duration: 3 days after a significant rainfall
  Height 20 feet (broadly defined)
  Height 18 feet
  Biggest vertical drop 1 feet
  Terrain: woods, little or no trail
  Last visited 2011-03-16
  id: bigrock.89
Unnamed creek

• waterfall at (38.04622, -122.61192):
  
  lower part:
  
  upper part:
  
  Beauty: 3.5
  Duration: 3 days after a significant rainfall
  Height 30 feet (broadly defined)
  Height 15 feet
  Biggest vertical drop 1 feet
  Number of drops 2
  Terrain: woods, little or no trail
  Last visited 2011-03-16
  id: bigrock.88
Unnamed creek

• waterfall at (38.04631, -122.61218):
  
  lower part:
  
  upper part:
  
  Beauty: 2
  Duration: 2 days after a significant rainfall
  Height 28 feet (broadly defined)
  Height 10 feet
  Biggest vertical drop 7 feet
  Number of drops 2
  Terrain: woods, little or no trail
  Last visited 2011-03-16
  id: bigrock.87
Unnamed creek starting 3/4 mile east of Big Rock near a mudslide, flowing west-northwest

• waterfall at (38.04931, -122.61286):
  
  Beauty: 3
  Beauty: 4 (including beauty of the hike to the falls)
  Duration: 4 days after a significant rainfall
  Height 6 feet
  Biggest vertical drop 3 feet
  Number of drops 2
  Terrain: woods, little or no trail
  Last visited 2011-02-22
  id: bigrock.42
• waterfall at (38.04899, -122.61194):
  
  lower drops:
  
  view from top:
  
  view from top:
  
  rock outcrop that helps find the falls if you're reaching it from above; trailhead with the Big Rock in the distance:
  
  the main drop is 30 feet high
  Beauty: 7
  Duration: 3 days after a significant rainfall
  Height 63 feet (broadly defined)
  Height 30 feet
  Biggest vertical drop 3 feet
  Number of drops 4
  Terrain: fields, no trail
  route: a simple but exhausting route is to go to the Big Rock Ridge summit and follow the largest ridge southwest from it (that would be on the left as you fast southwest from the top). After passing a part of the ridge that has ups and downs and a few trees on the ridge, you will reach a steep descent with a conspicuous mudslide. Head right (west) just above the mudslide, and descend on a small partly grassy ridge somewhat near the stream that flows down from the mudslide until you find a rock outcrop close to the stream
  Last visited 2011-03-16
  id: bigrock.43
• waterfall at (38.04893, -122.61145):
  
  Beauty: 3
  Duration: 3 days after a significant rainfall
  Height 5 feet
  Biggest vertical drop 3 feet
  Number of drops 1
  Terrain: moderate brush, little or no trail
  Last visited 2011-02-22
  id: bigrock.44
Unnamed creek starting on the south side of the Big Rock Ridge summit, flowing southwest

• waterfall at (38.05327, -122.61112):
  
  upper drop, taken from top of lower drop:
  
  close enough to falls where streams converge that it could be classified as part of that waterfall
  Beauty: 5
  Beauty: 6 (including beauty of the hike to the falls)
  Duration: 20 days after a significant rainfall
  Height 14 feet
  Biggest vertical drop 7 feet
  Number of drops 2
  Terrain: woods, little or no trail
  Last visited 2011-02-22
  id: bigrock.50
• waterfall at (38.05360, -122.61074):
  
  Beauty: 3
  Beauty: 4 (including beauty of the hike to the falls)
  Duration: 20 days after a significant rainfall
  Height 8 feet (broadly defined)
  Height 6 feet
  Biggest vertical drop 1 feet
  Number of drops 1
  Terrain: woods, little or no trail
  Last visited 2011-02-22
  id: bigrock.51
• waterfall at (38.05389, -122.60944):
  
  hiding in bushes next to a big rock outcrop
  Beauty: 3
  Beauty: 4 (including beauty of the hike to the falls)
  Duration: 20 days after a significant rainfall
  Height 8 feet (broadly defined)
  Height 7 feet
  Biggest vertical drop 7 feet
  Number of drops 1
  Terrain: woods, little or no trail
  Last visited 2011-02-22
  id: bigrock.52
• waterfall at (38.05389, -122.60944):
  
  just upstream from a big rock outcrop
  Beauty: 1
  Beauty: 2 (including beauty of the hike to the falls)
  Duration: 20 days after a significant rainfall
  Height 8 feet (broadly defined)
  Height 5 feet
  Biggest vertical drop 1 feet
  Terrain: woods, little or no trail
  Last visited 2011-02-22
  id: bigrock.53
• waterfall at (38.05440, -122.60922):
  
  Beauty: 6
  Beauty: 7 (including beauty of the hike to the falls)
  Duration: 18 days after a significant rainfall
  Height 9 feet
  Biggest vertical drop 5 feet
  Number of drops 2
  Terrain: woods, little or no trail
  Last visited 2011-02-22
  id: bigrock.54
• waterfall at (38.05422, -122.60922):
  
  Beauty: 5
  Duration: 18 days after a significant rainfall
  Height 12 feet (broadly defined)
  Height 10 feet
  Biggest vertical drop 10 feet
  Number of drops 1
  Terrain: woods, little or no trail
  Last visited 2011-03-14
  id: bigrock.80
• waterfall at (38.05452, -122.60851):
  
  Beauty: 6
  Duration: 18 days after a significant rainfall
  Height 18 feet (broadly defined)
  Height 14 feet
  Biggest vertical drop 3 feet
  Terrain: woods, little or no trail
  Last visited 2011-03-14
  id: bigrock.81
• waterfall at (38.05516, -122.60812):
  
  Beauty: 6.5
  Duration: 16 days after a significant rainfall
  Height 22 feet (broadly defined)
  Height 20 feet
  Biggest vertical drop 4 feet
  Number of drops 4
  Terrain: woods, little or no trail
  Last visited 2011-03-14
  id: bigrock.82
• waterfall at (38.05578, -122.60715):
  
  Beauty: 4.5
  Duration: 10 days after a significant rainfall
  Height 25 feet (broadly defined)
  Height 11 feet
  Biggest vertical drop 5 feet
  Terrain: fields, no trail
  Last visited 2011-03-14
  id: bigrock.83
• waterfall at (38.05608, -122.60655):
  
  Beauty: 4
  Duration: 7 days after a significant rainfall
  Height 10 feet (broadly defined)
  Height 7 feet
  Biggest vertical drop 2 feet
  Terrain: fields, no trail
  Last visited 2011-03-14
  id: bigrock.84
Unnamed creek starting halfway down the largest ridge on the south side of the Big Rock Ridge summit

• waterfall at (38.05067, -122.61104):
  
  Beauty: 6.5
  Beauty: 7 (including beauty of the hike to the falls)
  Duration: 6 days after a significant rainfall
  Height 9 feet
  Biggest vertical drop 4 feet
  Number of drops 1
  Terrain: woods, little or no trail
  Last visited 2011-02-22
  id: bigrock.45
• waterfall at (38.05087, -122.60988):
  
  Beauty: 3
  Duration: 4 days after a significant rainfall
  Height 12 feet (broadly defined)
  Height 6 feet
  Biggest vertical drop 4 feet
  Number of drops 1
  Terrain: woods, little or no trail
  Last visited 2011-02-22
  id: bigrock.46
Unnamed creek starting on the southwest side of the Big Rock Ridge summit, flowing southwest

• waterfall at (38.05100, -122.61131):
  Poor gps reception - coordinates may be unreliable
  
  Beauty: 4
  Duration: 20 days after a significant rainfall
  Height 6 feet
  Biggest vertical drop 2 feet
  Number of drops 1
  Terrain: woods, little or no trail
  Last visited 2011-02-22
  id: bigrock.47
• The top half of this waterfall consists of two independent creeks, which merge halfway down the waterfall at (38.05327, -122.61112):
  
  the west fork, and part of the lower section:
  
  the east fork, and much of the lower section:
  
  the east fork, seen from the top of the west fork:
  
  the upper half, seen from the top of the west fork:
  
  the upper half, seen from the top of the west fork:
  
  the upper half, seen from the top of the west fork:
  
  the west fork, the top of the east fork visible at the bottom:
  
  looking down from the top of the east fork:
  
  each creek flowing into this waterfall has another waterfall near enough to this that I'm using the same gps coordinates for all three. On the Tom Harrison map of Big Rock Ridge (2007), it's at L in Lucas Valley Preserve.
  Beauty: 9
  Beauty: 8 (including beauty of the hike to the falls)
  Duration: 20 days after a significant rainfall
  Height 30 feet
  Biggest vertical drop 10 feet
  Terrain: woods, little or no trail
  route: From the Big Rock trailhead, follow the Big Rock trail 1.0 mile. When it passes under a few small oaks shortly after the switchback, head straight uphill. When you reach a ridge (in the middle of another group of oaks), find a deer track that traverses east just above the bushes. You should pass above a medium sized rock outcrop. Cross the creek on a deer trail at the top of a 10 foot waterfall that is somewhat hidden in bushes. The terrain is somewhat difficult here, but most other parts of the creek have steeper terrain with bushes. Traverse to the southeast until you reach the next ridge. Look for a field with some small rocks at the upper end. Head straight downhill through that field, and find a deer track at which to cross the creek. Follow the creek a short ways downhill and the waterfall will stop you.
  Last visited 2011-02-22
  id: bigrock.48
• waterfall at (38.05327, -122.61112):
  
  Just a few feet above the falls where streams converge. I normally classify waterfalls this close as one, but this one is hidden so that it's hard to see while looking at the main waterfall, and the presence of two creeks complicates the classification
  Beauty: 5
  Beauty: 6 (including beauty of the hike to the falls)
  Duration: 20 days after a significant rainfall
  Height 8 feet (broadly defined)
  Height 6 feet
  Biggest vertical drop 2 feet
  Number of drops 2
  Terrain: woods, little or no trail
  Last visited 2011-02-22
  id: bigrock.49
Unnamed creek

• waterfall at (38.05441, -122.60983):
  
  lower part:
  
  upper part:
  
  It would take a very heavy rain for this to be worth visiting.
  Beauty: 2
  Duration: 1 days after a significant rainfall
  Height 27 feet
  Biggest vertical drop 6 feet
  Number of drops 2
  Terrain: woods, little or no trail
  Last visited 2011-03-14
  id: bigrock.79
Unnamed creek starting 1/4 mile west of the Big Rock Ridge summit, flowing south-southwest

• waterfall at (38.05322, -122.61394):
  
  upper half:
  
  Beauty: 6
  Duration: 21 days after a significant rainfall
  Height 28 feet (broadly defined)
  Height 20 feet
  Biggest vertical drop 6 feet
  Number of drops 2
  Terrain: moderate brush, little or no trail
  Last visited 2011-02-22
  id: bigrock.55
• waterfall at (38.05363, -122.61360):
  
  Beauty: 4
  Duration: 21 days after a significant rainfall
  Height 8 feet
  Biggest vertical drop 5 feet
  Number of drops 1
  Terrain: moderate brush, little or no trail
  Last visited 2011-02-22
  id: bigrock.56
• waterfall at (38.054, -122.6134):
  gps coordinates estimated from map, reliability unknown
  
  from above:
  
  from above:
  
  Beauty: 4
  Duration: 21 days after a significant rainfall
  Height 8 feet
  Biggest vertical drop 6 feet
  Number of drops 1
  Terrain: moderate brush, little or no trail
  Last visited 2011-02-22
  id: bigrock.57
• waterfall at (38.05442, -122.61316):
  
  Beauty: 6
  Duration: 21 days after a significant rainfall
  Height 22 feet (broadly defined)
  Height 15 feet
  Biggest vertical drop 10 feet
  Number of drops 3
  Terrain: moderate brush, little or no trail
  Last visited 2011-02-22
  id: bigrock.58
• waterfall at (38.05459, -122.61317):
  
  upper part:
  
  seen from 1/4 mile south - the lower falls visible in the lower half of the photo:
  
  Beauty: 4
  Beauty: 5 (including beauty of the hike to the falls)
  Duration: 21 days after a significant rainfall
  Height 24 feet
  Biggest vertical drop 5 feet
  Terrain: moderate brush, little or no trail
  Last visited 2011-02-22
  id: bigrock.59
• waterfall at (38.05486, -122.61307):
  
  seen from 1/4 mile south - the upper falls visible in the lower half of the photo:
  
  Beauty: 7
  Duration: 21 days after a significant rainfall
  Height 30 feet (broadly defined)
  Height 25 feet
  Biggest vertical drop 6 feet
  Terrain: moderate brush, little or no trail
  Last visited 2011-02-22
  id: bigrock.60
• waterfall at (38.05590, -122.61257):
  
  Beauty: 3.5
  Duration: 20 days after a significant rainfall
  Height 11 feet
  Biggest vertical drop 2 feet
  Terrain: moderate brush, little or no trail
  Last visited 2011-03-14
  id: bigrock.78
• waterfall at (38.05520, -122.61301):
  
  upper part:
  
  lower part:
  
  Beauty: 4
  Duration: 18 days after a significant rainfall
  Height 11 feet
  Biggest vertical drop 2 feet
  Number of drops 2
  Terrain: woods, little or no trail
  Last visited 2011-03-14
  id: bigrock.85
• waterfall at (38.05677, -122.61215):
  
  main part:
  
  lower part:
  
  most of it:
  
  Very steep terrain
  Beauty: 6
  Duration: 16 days after a significant rainfall
  Height 35 feet (broadly defined)
  Height 18 feet
  Biggest vertical drop 2 feet
  Terrain: woods, little or no trail
  Last visited 2011-03-14
  id: bigrock.86
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