Colorado · Rock climbing · Redstone

River Boulders

6 bouldering routes in Colorado spanning 3 difficulty grades.

6 routes

V0-1 – V4

Bouldering

Is River Boulders open right now?

Closure in the area

There's a closure order in White River National Forest. It doesn't name River Boulders, so check the source for the area it covers (2 listed).

Green Mountain Reservoir and Ruedi boat ramps closed for the season
Agency closure covering White River National Forest · USFS · White River National Forest
Eagle-Thomasville (400), Burnt Mtn (506), plus NFSR 414 and 416 openings delayed to June 16
Agency closure covering White River National Forest · USFS · White River National Forest
FSR 314, Crystal River Road, open but be prepared for delays
Agency alert covering White River National Forest · USFS · White River National Forest
FSR 286, Radical Hill, is closed due to washouts and unsafe conditions
Agency alert covering White River National Forest · USFS · White River National Forest
White River National Forest lifting fire restrictions on Friday Sept. 25
Agency alert covering White River National Forest · Order 2026 · USFS · White River National Forest

As of Oct 21, 5:35 pm MDT · Source: USFS · White River National Forest. Agencies don't list every closure — check before you go.

Best time to visit River Boulders

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
35° / 9°
11 wet
Feb
38° / 12°
10 wet
Mar
46° / 21°
11 wet
Apr
55° / 28°
11 wet
May
65° / 35°
10 wet
Jun
77° / 42°
7 wet
Jul
82° / 48°
11 wet
Aug
80° / 47°
12 wet
Sep
72° / 40°
9 wet
Oct
60° / 29°
9 wet
Nov
45° / 19°
9 wet
Dec
34° / 9°
11 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Aspen Pitkin Co Ap, CO, 19.6 mi away at 7,720 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.

River Boulders is a bouldering area in Colorado's White River National Forest, within the Sopris Ranger District, on land managed by the Forest Service. For the most comfortable conditions, aim for June through September. Typical averages from a nearby weather station in Aspen show highs around 77°F in June and 72°F in September, with nights dropping to the 40s. Two more problems, Beginner's Luck Boulder and Land Shark Boulder, sit just 0.1 mile away, and Redstone Family Campground is equally close for an overnight base. The East Creek hike lies about 1.5 miles off.