Blue Moon Boulder
Blue Moon Boulder in California has 9 bouldering routes rated from v2 to v5.
- 9 routes
- V0 – V3
- Bouldering
Is Blue Moon Boulder open right now?
Closure in the area
There's a closure order in Mountaintop Ranger District. It doesn't name Blue Moon Boulder, so check the source for the area it covers.
Radford Fire Closure Area
Agency closure covering Mountaintop Ranger District · Order 05-12-52-24-06 · USFS · Mountaintop Ranger District
Safety Alert - Falling Rocks at Bonita Falls
Agency alert covering San Bernardino National Forest · USFS · San Bernardino National Forest
Fire Restrictions
Agency alert covering San Bernardino National Forest · Order 05-12-00-26-05 · USFS · San Bernardino National Forest
As of · Source: USFS · Mountaintop Ranger District. Agencies don't list every closure — check before you go.
Best time to visit Blue Moon Boulder
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.
Jan
46° / 24°
6 wet
Feb
46° / 24°
6 wet
Mar
51° / 27°
6 wet
Apr
57° / 31°
4 wet
May
66° / 37°
2 wet
Jun
75° / 43°
1 wet
Jul
80° / 50°
2 wet
Aug
79° / 49°
3 wet
Sep
73° / 44°
2 wet
Oct
63° / 35°
2 wet
Nov
53° / 28°
3 wet
Dec
46° / 24°
6 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Big Bear Lake, CA, 8 mi away at 6,753 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Blue Moon Boulder is a bouldering 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 Wave Boulder and Jalapeño Boulder each about 0.1 mile away. The area has nine bouldering routes, all rated on the V scale from V0- to V3. The easiest are Cratered and Moonwalk at V0-, and the hardest is New Moon at V3. Blue Moon and Marooned are both V0. Summer is the warmest stretch. Typical averages from the nearby Big Bear Lake weather station, at a similar elevation, 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 both within a mile. Shady Cove Group Campground is about 1.1 miles away, and Arrowbear Lake is about 1.5 miles away.
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