420 Problem
Mid-range climb among seven routes at Goat Rock circuit.
- V3
- grade
- Bouldering Pads
- style
Best time to visit 420 Problem
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, 7.2 mi away at 2,270 ft. The station sits about 600 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.
One of seven routes catalogued at Goat Rock circuit, this climb sits in the middle of the crag's V0-1 to V8 range.
Photo of the crag

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