California · Rock climbing · Pinecrest

Chipmunk Flat

Chipmunk Flat in California has 11 climbing routes across 11 grades, offering bouldering, sport, and trad.

Chipmunk FlatPhoto: RuggyBearLA, CC BY 2.0 (via Flickr)
11 routes
5.6 – 5.11a
Sport · Trad · Bouldering

Is Chipmunk Flat open right now?

Closure in the area

There's a closure order in Stanislaus National Forest. It doesn't name Chipmunk Flat, 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 Chipmunk Flat

Best months: June–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

    41° / 13°

  2. Feb

    38° / 12°

  3. Mar

    42° / 15°

  4. Apr

    45° / 22°

  5. May

    54° / 27°

  6. Jun

    65° / 33°

  7. Jul

    71° / 38°

  8. Aug

    70° / 36°

  9. Sep

    65° / 32°

  10. Oct

    57° / 26°

  11. Nov

    47° / 20°

  12. Dec

    40° / 12°

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Tuolumne Meadows Rs, CA, 35.6 mi away at 8,694 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Chipmunk Flat is a climbing area in California's Stanislaus National Forest, within the Summit Ranger District, on land managed by the Forest Service. Summer is the most comfortable season to climb here. Typical averages from a nearby weather station at Tuolumne Meadows show July highs around 71°F and lows near 38°F. Winter highs at that station stay around 40°F. Blue Canyon, a hike, starts about half a mile away. Crunchy Boulder and the Stanislaus Peak hike are each roughly 1.8 miles off, and Deadman campground sits about 4 miles from the flat.

Routes (11)

First Buttress / Second Gully(1)

Cassiopeia5.10b

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