California · Rock climbing · La Honda

Old Bolt Ladder

The hardest route catalogued in Skyline Slabs.

5.10d
grade
Sport Bolted
style

Best time to visit Old Bolt Ladder

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, 1.8 mi away at 2,270 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

This route represents the upper limit of difficulty among the four climbs catalogued at Aquarian Valley's Skyline Slabs sector, pushing beyond the 5.10c grade that defines the crag's typical ceiling.

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