Wildcat Mountaineering
Rock Climbing business nearby (~6 mi away) — hasn't claimed their Roamze page yet
Mid-range route in Mystery Rock sector at South Fork of St. Vrain Canyon.
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 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.
One of 92 routes catalogued at South Fork of St. Vrain Canyon, this climb sits in the middle range of the crag's 5.2–5.12b span. It is located in the Mystery Rock sector.
Second Tier
~0 min drive
Colorado climbing crag offering accessible routes for developing climbers.
Lower Tier
~0 min drive
Lower Tier in Colorado has 7 climbing routes with mixed and trad styles.
Rodent Ravine
~1 min drive
Rodent Ravine is a climbing area in Colorado with 5 routes.
The Monkey Skull
~1 min drive
Monkey Skull, The in Colorado has 12 climbing routes across 8 grades.
The Coliseum
~2 min drive
The Coliseum in Colorado has 10 routes with 7 difficulty grades, offering mixed and traditional climbing.
Log Boulder
~2 min drive
Log Boulder in Colorado has 6 bouldering routes across 5 grades.
Fourth Band
~2 min drive
Fourth Band in Colorado has 8 climbing routes across 7 grades, offering mixed, sport, and trad options.
The Platitudes
~2 min drive
Platitudes, The in Colorado has 5 trad climbing routes on 5 distinct difficulty grades.
South Fork of St. Vrain Canyon
~2 min drive
South Fork of St. Vrain Canyon in Colorado has 98 climbing routes.
Mechanical Man
~2 min drive
Mechanical Man in Colorado has 10 routes across 5 grades, offering mixed, sport, and trad climbing.
Outfitters and businesses near Lyons. They haven’t set up their Roamze page yet.
Wildcat Mountaineering
Rock Climbing business nearby (~6 mi away) — hasn't claimed their Roamze page yet
Movement Gyms
Rock Climbing business nearby (~11 mi away) — hasn't claimed their Roamze page yet
Boulder Rock Club
Rock Climbing business nearby (~12 mi away) — hasn't claimed their Roamze page yet