Main Rock
Main Rock in California has 14 bouldering routes across 8 difficulty grades.
- 14 routes
- V2 – V8
- Bouldering
Best time to visit Main Rock
Best months: Year-round. 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
59° / 43°
11 wet
Feb
62° / 44°
10 wet
Mar
65° / 46°
10 wet
Apr
67° / 47°
7 wet
May
70° / 49°
3 wet
Jun
74° / 52°
1 wet
Jul
74° / 53°
0 wet
Aug
75° / 54°
1 wet
Sep
76° / 54°
1 wet
Oct
73° / 52°
3 wet
Nov
65° / 47°
7 wet
Dec
59° / 43°
11 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Berkeley, CA, 1.1 mi away at 310 ft. The station sits about 1,000 ft lower than this place, so expect it a little cooler here. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Main Rock is a climbing area in Tilden Regional Park in California, on land managed by a regional agency. The park's other climbing spots, Short Traverse Rock and Diagonal Traverse Rock, sit about 0.1 mile away, and the Upper Jordan Fire Trail is also that close. Summer and early fall are the most comfortable times to visit. Typical averages from a nearby weather station in Berkeley show highs around 74 to 76°F in July and September with only a day or two of rain a month, while winter brings highs near 59°F and about 11 wet days a month. Several other routes are within a short walk. Grizzly Peak Trail is about 0.2 mile away, and Grizzly Peak Boulders is a similar distance. Remillard Park, another climbing area, is about 1.2 miles off.
Routes (14)
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