California · Rock climbing · Saratoga

Upper Biddles Rock

Upper Biddles Rock in California has 7 bouldering routes across 6 grades.

7 routes

V2 – V7

Bouldering

Best time to visit Upper Biddles Rock

Best months: April–November. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.

Jan
55° / 41°
14 wet
Feb
55° / 40°
14 wet
Mar
58° / 41°
13 wet
Apr
62° / 43°
10 wet
May
67° / 47°
7 wet
Jun
75° / 52°
3 wet
Jul
81° / 58°
1 wet
Aug
81° / 59°
1 wet
Sep
79° / 57°
2 wet
Oct
71° / 52°
6 wet
Nov
60° / 44°
11 wet
Dec
54° / 40°
15 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Skyline Ridge Preserve, CA, 8.4 mi away at 2,270 ft. The station sits about 500 ft lower than this place, so expect it a little cooler here. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Upper Biddles Rock is a bouldering area in Sanborn County Park, a county-managed land unit in California. The climbing sits among a cluster of boulders and trails, with Biddles Tower just 0.1 mile away and the Upper Madrone Trail and Sanborn Trail both about 0.2 mile off. The area is a close-knit network of climbing and hiking, and the Sanborn Trail is the natural way to pair a climb with a walk. The climbing at Upper Biddles Rock is all bouldering, with seven routes on the area. The grades run from V2 to V7, and the hardest is The Thing at V7. Among the named routes are Biddles Gold at V2 and Biddles Traverse at V6. The most comfortable months are typically June through September. At a nearby weather station, typical highs run from about 75°F in June to 81°F in July and August, with only one or two wet days a month. Winter is much wetter, with around 14 to 15 wet days a month from December through February. Biddles is another climbing area about half a mile away, and Drunk as a Skunk Boulder is roughly 0.6 mile off. Paddlers can find the San Lorenzo River about 9 miles away.