Lower Tier
Lower Tier in Colorado has 7 climbing routes with mixed and trad styles.
- 7 routes
- 5.5 – 5.10a
- Trad · Mixed
Is Lower Tier 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 Lower Tier
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
47° / 21°
6 wet
Feb
48° / 22°
7 wet
Mar
57° / 29°
8 wet
Apr
63° / 34°
10 wet
May
71° / 43°
12 wet
Jun
83° / 51°
10 wet
Jul
88° / 57°
11 wet
Aug
86° / 55°
10 wet
Sep
79° / 48°
8 wet
Oct
66° / 37°
7 wet
Nov
54° / 28°
6 wet
Dec
46° / 21°
6 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Boulder, CO, 13.6 mi away at 5,484 ft. The station sits about 1,100 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.
Lower Tier is a climbing area in the Boulder Ranger District of the Arapaho and Roosevelt National Forests in Colorado, managed by the Forest Service. It sits among several other climbing spots in the district, with Second Tier about 0.1 mile away and Rodent Ravine about 0.4 mile off. For comfortable climbing weather, aim for late spring or early fall. Typical averages from the Boulder weather station, about 13.6 miles away, show May highs around 71°F and September highs near 79°F, with July the warmest month at about 88°F. The area also draws hikers and paddlers. Coffintop is a hike about 1.6 miles away, and South Saint Vrain Creek offers canoeing roughly 4.4 miles out. For an overnight stay, Peaceful Valley Campground lies about 8.1 miles away.
Routes (7)
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