California · Rock climbing · Malibu

Biosphere

Among the hardest routes catalogued at Boney Bluff.

5.13c/d
grade
Sport Bolted
style

Is Biosphere open right now?

No closures listed

The National Park Service lists no closures for Santa Monica Mountains National Recreation Area.

As of · Source: NPS · Santa Monica Mountains National Recreation Area. Agencies don't list every closure — check before you go.

Best time to visit Biosphere

Best months: October–June. 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

    67° / 47°

    6 wet

  2. Feb

    68° / 47°

    7 wet

  3. Mar

    71° / 49°

    5 wet

  4. Apr

    75° / 52°

    3 wet

  5. May

    78° / 56°

    1 wet

  6. Jun

    84° / 60°

    1 wet

  7. Jul

    90° / 64°

    0 wet

  8. Aug

    92° / 64°

    0 wet

  9. Sep

    89° / 62°

    1 wet

  10. Oct

    82° / 56°

    2 wet

  11. Nov

    74° / 50°

    4 wet

  12. Dec

    67° / 46°

    6 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Northridge Cal State, CA, 26.4 mi away at 904 ft. The station sits about 1,500 ft lower than this place, so expect it a little cooler here. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

One of the harder climbs catalogued at Boney Bluff, sitting near the top end of the crag's 5.11b to 5.13d range alongside a dozen other routes at this grade.

Keep exploring — more climbs worth the drive