Dorm Boulder
Dorm Boulder in California has 18 bouldering routes with 12 difficulty grades.
- 18 routes
- V0 – V6+
- Bouldering
Is Dorm Boulder open right now?
Alert in the area
The Forest Service lists 4 alerts for Inyo National Forest.
Stage 1 Fire Restrictions in Effect
Agency alert covering Inyo National Forest · Order 05-04-50-26-23 · USFS · Inyo National Forest
Help Halt Golden Mussel Invasion
Agency alert covering Inyo National Forest · USFS · Inyo National Forest
Ansel Adams and John Muir Wilderness Campfire Restrictions
Agency alert covering Inyo National Forest · Order 05-04-50-25-04 · USFS · Inyo National Forest
Golden Trout and Hoover Wilderness Campfire Restrictions
Agency alert covering Inyo National Forest · Order 05-04-50-25-05 · USFS · Inyo National Forest
As of · Source: USFS · Inyo National Forest. Agencies don't list every closure — check before you go.
Best time to visit Dorm Boulder
Best months: May–September. 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
41° / 17°
Feb
41° / 18°
Mar
45° / 22°
Apr
51° / 27°
May
60° / 35°
Jun
70° / 42°
Jul
78° / 49°
Aug
77° / 47°
Sep
71° / 40°
Oct
61° / 30°
Nov
49° / 23°
Dec
41° / 17°
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Mammoth Lakes Rs, CA, 0.7 mi away at 7,804 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Dorm Boulder is a climbing area in the Mammoth Ranger District of Inyo National Forest in California, managed by the Forest Service. It sits among a cluster of bouldering spots, with College Boulder and Student Boulder each about 0.2 miles away. Summer is the most comfortable time to visit. Typical averages from a nearby weather station at Mammoth Lakes show July highs around 78°F with lows near 49°F, while winter highs stay around 41°F. New Shady Rest Campground and Pine Glen are both about 0.7 miles away, and Mammoth Rock Trail is a similar distance. Hot Creek, about 6.6 miles off, offers canoeing.
Keep exploring — more climbs worth the drive
Photo: Ken Lund, CC BY-SA 2.0 (via Flickr)Sector F
~4 min drive
Sector F is a California bouldering crag with 8 routes.
Photo: Ken Lund, CC BY-SA 2.0 (via Flickr)Sector A
~4 min drive
Sector A is a California bouldering crag with 18 routes across 6 grades.
Photo: Ken Lund, CC BY-SA 2.0 (via Flickr)Sector C
~4 min drive
Sector C is a 5-route bouldering area in California with routes spanning 5 difficulty grades.
Photo: inkknife_2000 (14 million views), CC BY-SA 2.0 (via Flickr)Sister Boulder
~7 min drive
8 bouldering routes at Sister Boulder in California, grades 5.10a to 5.12c.
Photo: inkknife_2000 (14 million views), CC BY-SA 2.0 (via Flickr)T J Slabs
~7 min drive
T J Slabs in California has 6 bouldering routes with 5 difficulty grades.
Photo: inkknife_2000 (7.5 million views +), CC BY-SA 2.0 (via Wikimedia Commons)Horseshoe Slabs Boulder
~7 min drive
Horseshoe Slabs Boulder has 8 bouldering routes in California.
Photo: inkknife_2000 (14 million views), CC BY-SA 2.0 (via Flickr)Horseshoe Slabs
~7 min drive
16-route climbing area in California with mixed, sport, and trad styles.
Photo: mjhbower, CC BY-SA 2.0 (via Flickr)T J Lake
~7 min drive
T J Lake is a California climbing area with 4 routes across 4 grades.
Photo: inkknife_2000 (14 million views), CC BY-SA 2.0 (via Flickr)Spring Wall
~7 min drive
13 routes at Spring Wall in California range across 10 difficulty grades.
College Boulder
~0 min drive
College Boulder in California has 8 bouldering routes across 7 grades.
