California · Bouldering · Twain Harte

Warm-up Slab

Among the easier climbs at Spicer Reservoir.

V-easy
grade
Bouldering Pads
style

Is Warm-up Slab open right now?

Closure in the area

There's a closure order in Stanislaus National Forest. It doesn't name Warm-up Slab, so check the source for the area it covers (2 listed).

As of · Source: USFS · Stanislaus National Forest. Agencies don't list every closure — check before you go.

Best time to visit Warm-up Slab

Best months: May–September. 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

    43° / 18°

    9 wet

  2. Feb

    43° / 19°

    9 wet

  3. Mar

    48° / 24°

    10 wet

  4. Apr

    53° / 28°

    8 wet

  5. May

    62° / 33°

    7 wet

  6. Jun

    72° / 38°

    3 wet

  7. Jul

    80° / 43°

    2 wet

  8. Aug

    80° / 41°

    2 wet

  9. Sep

    73° / 35°

    3 wet

  10. Oct

    62° / 29°

    5 wet

  11. Nov

    51° / 23°

    7 wet

  12. Dec

    43° / 18°

    10 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at South Lake Tahoe Ap, CA, 33.9 mi away at 6,314 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

One of the easier climbs catalogued at Spicer Reservoir, where routes range from V0 to V3-.