California · Rock climbing · Acton

Light Bulb

Light Bulb in California has 6 sport climbing routes across 5 grades.

6 routes
5.5 – 5.11c
Sport

Best time to visit Light Bulb

Best months: October–May. 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

    60° / 35°

    5 wet

  2. Feb

    63° / 37°

    5 wet

  3. Mar

    69° / 42°

    4 wet

  4. Apr

    75° / 46°

    2 wet

  5. May

    83° / 53°

    1 wet

  6. Jun

    92° / 61°

    0 wet

  7. Jul

    98° / 68°

    1 wet

  8. Aug

    98° / 66°

    1 wet

  9. Sep

    92° / 60°

    1 wet

  10. Oct

    81° / 50°

    1 wet

  11. Nov

    68° / 40°

    3 wet

  12. Dec

    58° / 34°

    4 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Palmdale, CA, 13.2 mi away at 2,612 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Light Bulb is a sport climbing area in Cold Creek Valley Preserve in California, on land managed by a regional agency. It sits among a cluster of climbing spots, with Electromagnetic Crag and Rose Tower each about 0.4 miles away and Jasmine Tower about 0.5 miles away. The climbing here is all sport, and the routes run from 5.5 up to 5.11c. The median grade is 5.10b. The named routes include Unknown 05:00 (Chimney) at 5.5 and Unknown 07:15 at 5.11c. Spring and fall are the most comfortable times to visit. Typical averages from a nearby weather station in Palmdale show April highs around 75°F and October highs around 81°F, while July and August average about 98°F.

Routes (6)

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