California · Bouldering · Los Gatos

Left Arete

Entry-level problem at Alpine Rock sector of Castle Rock Area.

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Best time to visit Left Arete

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.

  1. Jan

    55° / 41°

    14 wet

  2. Feb

    55° / 40°

    14 wet

  3. Mar

    58° / 41°

    13 wet

  4. Apr

    62° / 43°

    10 wet

  5. May

    67° / 47°

    7 wet

  6. Jun

    75° / 52°

    3 wet

  7. Jul

    81° / 58°

    1 wet

  8. Aug

    81° / 59°

    1 wet

  9. Sep

    79° / 57°

    2 wet

  10. Oct

    71° / 52°

    6 wet

  11. Nov

    60° / 44°

    11 wet

  12. Dec

    54° / 40°

    15 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Skyline Ridge Preserve, CA, 0.2 mi away at 2,270 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

One of five boulder problems catalogued at Castle Rock Area's Alpine Rock sector, representing the entry point to the grade range established here.

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