All Thumbs Boulder
All Thumbs Boulder is a bouldering area in Utah with 16 routes.
Photo: paulinkenbrandt, CC BY-SA 2.0 (via Flickr)- 16 routes
- V0 – V10
- Bouldering
Is All Thumbs Boulder open right now?
No closures listed
The Forest Service lists no closures for Uinta-Wasatch-Cache National Forest.
As of · Source: USFS · Uinta-Wasatch-Cache National Forest. Agencies don't list every closure — check before you go.
Best time to visit All Thumbs Boulder
Best months: April–June and September–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
38° / 23°
9 wet
Feb
44° / 27°
8 wet
Mar
54° / 34°
9 wet
Apr
61° / 39°
10 wet
May
71° / 48°
9 wet
Jun
82° / 57°
5 wet
Jul
91° / 67°
3 wet
Aug
89° / 66°
5 wet
Sep
79° / 56°
6 wet
Oct
64° / 43°
7 wet
Nov
49° / 32°
8 wet
Dec
38° / 23°
9 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Cottonwood Weir, UT, 3.3 mi away at 4,986 ft. The station sits about 500 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.
All Thumbs Boulder is a climbing area in the Salt Lake Ranger District of the Uinta-Wasatch-Cache National Forest in Utah, managed by the Forest Service. It sits among a cluster of other climbing and riding spots, so it works well as a stop in a day of exploring the surrounding crags and trails. Spring and fall are the most comfortable times to visit. Typical averages from the nearby Cottonwood Weir weather station show May highs around 71°F and October highs around 64°F, while July averages climb to about 91°F. Copperhead Boulder and Block, The are both about 0.1 mile away, and the Alpenbock Loop hike is just as close. For an overnight stay, Tanners Flat Campground is about 3.8 miles off.
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