California · Bouldering · Foster City

I asked the Internet

Entry-level problem among 17 routes at Castle Rock Boulder.

V-easy
grade
Bouldering Pads
style

Best time to visit I asked the Internet

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.

  1. Jan

    59° / 43°

  2. Feb

    61° / 44°

  3. Mar

    65° / 46°

  4. Apr

    68° / 48°

  5. May

    71° / 52°

  6. Jun

    75° / 55°

  7. Jul

    78° / 57°

  8. Aug

    78° / 57°

  9. Sep

    78° / 56°

  10. Oct

    73° / 52°

  11. Nov

    65° / 46°

  12. Dec

    58° / 43°

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Fremont, CA, 3.9 mi away at 38 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

One of 17 boulder problems catalogued at Castle Rock Boulder, this climb sits at the entry level of the crag's V0–V4 range.

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