Blob Rock
Blob Rock in Colorado has 6 climbing routes ranging across 6 difficulty grades, offering sport and trad options.
- 6 routes
- 5.6 – 5.12d
- Trad · Sport
Is Blob Rock open right now?
Alert in the area
The Forest Service lists 3 alerts for Arapaho and Roosevelt National Forests.
Fire Restrictions
Agency alert covering Arapaho and Roosevelt National Forests · USFS · Arapaho and Roosevelt National Forests
Caribou Road Closure Order
Agency alert covering Boulder Ranger District · Order 02-10-01-26-04 · USFS · Boulder Ranger District
Raptor Nesting Area Closure - Boulder Ranger District
Agency alert covering Boulder Ranger District · Order 02-10-01-26-06 · USFS · Boulder Ranger District
As of · Source: USFS · Arapaho and Roosevelt National Forests. Agencies don't list every closure — check before you go.
Best time to visit Blob Rock
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
39° / 17°
5 wet
Feb
40° / 17°
5 wet
Mar
47° / 22°
6 wet
Apr
52° / 27°
8 wet
May
61° / 35°
10 wet
Jun
73° / 44°
9 wet
Jul
79° / 50°
10 wet
Aug
77° / 48°
11 wet
Sep
70° / 41°
8 wet
Oct
57° / 31°
6 wet
Nov
47° / 24°
5 wet
Dec
40° / 17°
5 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Gross Rsvr, CO, 5 mi away at 7,970 ft. The station sits about 900 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.
Blob Rock is a climbing area in the Boulder Ranger District of the Arapaho and Roosevelt National Forests in Colorado, on land managed by the Forest Service. It sits in a cluster of nearby crags, which makes it easy to pair with other walls in a single outing. Summer into early fall is the most comfortable time to climb. At a weather station about 5 miles away, typical July averages run a high of 79°F and a low of 50°F, and September averages about 70°F and 41°F. The rock sits roughly 900 feet above that station, so expect it to run a little cooler. Dike Wall and Small Package Block are each about 0.1 mile away, the Hawkins Surguine Spur Trail is about 1.7 miles off, and Winiger Ridge campground is about 3.8 miles away.
Routes (6)
Central Chimney Area(3)
Upper East Face(3)
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