Alpine Rock
Alpine Rock in California has 6 climbing routes across 5 difficulty grades, offering sport and trad options.
Photo: RuggyBearLA, CC BY 2.0 (via Flickr)- 6 routes
- 5.0 – 5.9+
- Sport · Trad
Is Alpine Rock open right now?
Closure in the area
There's a closure order in Mountaintop Ranger District. It doesn't name Alpine Rock, 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 Alpine Rock
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, 5.3 mi away at 6,753 ft. The station sits about 900 ft lower than this place, so expect it a little cooler here. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Alpine Rock is a climbing area in the Mountaintop Ranger District of San Bernardino National Forest, in California. The Forest Service manages the land, and the site sits within the San Bernardino National Forest. The area holds six routes, including four sport climbs and two trad routes, with grades ranging from 5.0 to 5.9+. The Sunflower, a trad route at 5.0, and Queenie's Dish, a sport route at 5.8, are among the named lines. Freezedried Lizard Direct, a sport route at 5.9+, is the hardest of the group. Summer is the most comfortable time to visit. Typical July highs reach about 80°F with lows near 50°F, according to averages from a nearby weather station at Big Bear Lake. Winters there are cold, with typical highs around 46°F and lows near 24°F. Greenhouse and Alpine Rocks and Tanglewood Slab are both about 0.1 mile away. Tanglewood Group Camp is 0.8 mile off, and Van Dusen Canyon Spur is about 2.2 miles away.
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