California · Rock climbing · Lake Arrowhead

Rotten Rock Valley West

Rotten Rock Valley West in California has 7 climbing routes across 5 grades.

7 routes
5.10a – 5.11c
Sport · Trad

Is Rotten Rock Valley West open right now?

Closure in the area

There's a closure order in Mountaintop Ranger District. It doesn't name Rotten Rock Valley West, so check the source for the area it covers.

As of · Source: USFS · Mountaintop Ranger District. Agencies don't list every closure — check before you go.

Best time to visit Rotten Rock Valley West

Best months: April–October. 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

    44° / 29°

    6 wet · 1 snow

  2. Feb

    45° / 30°

    6 wet · 1 snow

  3. Mar

    52° / 32°

    6 wet · 1 snow

  4. Apr

    60° / 36°

    4 wet · 1 snow

  5. May

    67° / 41°

    2 wet

  6. Jun

    76° / 49°

    1 wet

  7. Jul

    81° / 57°

    1 wet

  8. Aug

    82° / 57°

    1 wet

  9. Sep

    74° / 52°

    1 wet

  10. Oct

    63° / 43°

    2 wet

  11. Nov

    52° / 34°

    3 wet

  12. Dec

    43° / 29°

    5 wet · 1 snow

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Lake Arrowhead, CA, 4.6 mi away at 5,205 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Rotten Rock Valley West is a climbing area in the Mountaintop Ranger District of San Bernardino National Forest in California, managed by the Forest Service. It sits among a cluster of climbing spots, with the Thumbspire Group and Barbarian Rock both about 0.1 mile away. Summer is the warmest stretch for a visit. Typical averages from the nearby Lake Arrowhead weather station show July and August highs around 81 to 82°F with lows near 57°F, while winter brings highs in the low 40s and a few snowy days a month from December through March. Pinnacles and Metate are hikes within about a mile and a half. For an overnight stay, North Shore Campground is about 4.3 miles away, and Lake Arrowhead - Green Valley Lake Recreation Area offers lake fishing at roughly 4.9 miles.

Routes (7)

Coyote Spire(1)

On the Prowl5.10d

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