California · Rock climbing · Bishop

Birthday Boulders

Birthday Boulders in California has 21 bouldering routes across 10 difficulty grades.

Photo: Kunstee, CC BY 2.0 (via Wikimedia Commons)

21 routes

V0 – V9

Bouldering

Is Birthday Boulders 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 Oct 23, 7:30 pm PDT · Source: USFS · Inyo National Forest. Agencies don't list every closure — check before you go.

Best time to visit Birthday Boulders

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
43° / 24°
11 wet
Feb
44° / 23°
11 wet
Mar
46° / 26°
10 wet
Apr
50° / 29°
8 wet
May
56° / 36°
6 wet
Jun
66° / 42°
3 wet
Jul
74° / 49°
2 wet
Aug
74° / 49°
1 wet
Sep
68° / 44°
2 wet
Oct
58° / 37°
4 wet
Nov
49° / 31°
8 wet
Dec
44° / 25°
10 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Huntington Lake, CA, 36.1 mi away at 7,020 ft. The station sits about 600 ft higher than this place, so expect it a little warmer here. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Birthday Boulders is a bouldering area in the White Mountain Ranger District of Inyo National Forest in California, managed by the Forest Service. It sits among a cluster of climbing spots, with The Loaf and Pope's Hat both about 0.1 mile away. The area holds 21 bouldering problems, ranging from V0 to V9. The easiest are Birthday Mantel at V0 and Birthday Left at V1, while Parking Problem is the hardest at V9. The median grade is V3. Summer is the most comfortable time to visit. Typical averages from a nearby weather station at Huntington Lake show July and August highs around 74°F with lows near 49°F and only one or two wet days a month. Winter is much colder, with January highs around 43°F and lows near 24°F. Nearby, Mount Tom and Horton Lakes are both about 2.8 miles away. Bitterbrush Campground is about 3.2 miles off, and Bishop Creek offers canoeing about 3.6 miles away.