California · Rock climbing · Running Springs

The Big Heat Formation

Big Heat Formation, The in California has 15 climbing routes with bouldering pads.

15 routes
V0- – V5
Bouldering

Is Big Heat Formation, The open right now?

Closure in the area

There's a closure order in Mountaintop Ranger District. It doesn't name Big Heat Formation, The, 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 The Big Heat Formation

Best months: May–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

    46° / 24°

    6 wet

  2. Feb

    46° / 24°

    6 wet

  3. Mar

    51° / 27°

    6 wet

  4. Apr

    57° / 31°

    4 wet

  5. May

    66° / 37°

    2 wet

  6. Jun

    75° / 43°

    1 wet

  7. Jul

    80° / 50°

    2 wet

  8. Aug

    79° / 49°

    3 wet

  9. Sep

    73° / 44°

    2 wet

  10. Oct

    63° / 35°

    2 wet

  11. Nov

    53° / 28°

    3 wet

  12. Dec

    46° / 24°

    6 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Big Bear Lake, CA, 8.1 mi away at 6,753 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

The Big Heat Formation 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 Voodoo Formation and Jalapeño Boulder both about 0.1 mile away. Summer is the most comfortable time to visit. Typical averages from the nearby Big Bear Lake weather station show July highs around 80°F with lows near 50°F, while winter highs sit in the mid-40s. The Ve Trail and Little Green Valley hikes are within a mile. Shady Cove Group Campground is about 1.1 miles away, and Arrowbear Lake is roughly 1.4 miles off.