California · Bouldering · Angwin

Mossy Monster

Mid-range climb among 15 routes at Mossy Rock, California.

5.10a
grade
Bouldering Pads
style

Best time to visit Mossy Monster

Best months: February–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.

  1. Jan

    54° / 39°

    13 wet

  2. Feb

    56° / 40°

    11 wet

  3. Mar

    60° / 41°

    11 wet

  4. Apr

    66° / 42°

    8 wet

  5. May

    73° / 47°

    4 wet

  6. Jun

    80° / 51°

    1 wet

  7. Jul

    85° / 54°

    0 wet

  8. Aug

    84° / 54°

    0 wet

  9. Sep

    81° / 53°

    1 wet

  10. Oct

    72° / 50°

    4 wet

  11. Nov

    60° / 43°

    9 wet

  12. Dec

    53° / 39°

    13 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Angwin Pacific Union College, CA, 1 mi away at 1,715 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

One of 15 routes catalogued at Mossy Rock, this climb sits in the middle of the crag's range, which spans from 5.7 to 5.12a.

Keep exploring — more climbs worth the drive