North Fork of the St. Vrain River
15 climbing routes in Colorado with bouldering pads, sport, and trad.
- 15 routes
- 5.6 – 5.10c
- Trad · Bouldering · Sport
Is North Fork of the St. Vrain River 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 North Fork of the St. Vrain River
Best months: May–June and 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
37° / 16°
7 wet
Feb
38° / 16°
8 wet
Mar
45° / 21°
9 wet
Apr
52° / 26°
10 wet
May
61° / 35°
12 wet
Jun
74° / 43°
10 wet
Jul
80° / 48°
13 wet
Aug
78° / 46°
13 wet
Sep
70° / 39°
9 wet
Oct
57° / 30°
7 wet
Nov
44° / 23°
6 wet
Dec
36° / 16°
7 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Estes Park 3 Sse, CO, 10.3 mi away at 7,812 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
The North Fork of the St. Vrain River 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 within the Boulder Ranger District, about 10 miles from Estes Park. Summer is the most comfortable time to visit. Typical averages from a nearby weather station in Estes Park show July highs around 80°F with lows near 48°F, while winter highs stay in the mid-30s. The closest neighbors are the Black Slabbath mountain biking trail and the Oh Danny Boy Loop hike, both about 0.6 miles away. The Warm-Up Blocks climbing area is 1.8 miles off, and North Saint Vrain Creek, a paddling route, is about 4 miles away.
Routes (15)
Blue Rose(2)
Broken Bridge Dome(2)
Coulson Gulch(2)
Disappointment Dome(1)
Kenny Mt. North(1)
Palace, The(2)
Raven's Roost(2)
RiffRaff Dome(2)
Summit Boulder Problems(1)
Keep exploring — more climbs worth the drive
Warm-Up Blocks
~3 min drive
Warm-Up Blocks in Colorado has 7 bouldering routes with 6 difficulty grades.
River Wall II
~4 min drive
River Wall II in Colorado has 19 climbing routes across 16 grades, offering mixed, sport, and trad styles.
The Lion's Den
~4 min drive
Lion's Den, The is a bouldering area in Colorado with 26 routes.
The Double Trouble Boulder
~4 min drive
Double Trouble Boulder, The is a bouldering area in Colorado with 6 routes.
Longmont Reservoir Area (aka Buttonrock)
~4 min drive
Longmont Reservoir Area (aka Buttonrock) in Colorado has 16 climbing routes across 12 difficulty grades.
Northwest Formation
~4 min drive
5-route climbing area in Colorado with sport and trad options.
Tomato Rock
~4 min drive
Tomato Rock in Colorado has 5 bouldering routes with 5 distinct difficulty grades.
South Formation
~4 min drive
South Formation in Colorado has 15 climbing routes across 10 difficulty grades.
Button Rock (aka Pinewood Rock)
~4 min drive
Button Rock (aka Pinewood Rock) is a 2-route bouldering area in Colorado.
Big Elk Meadows - Boulders
~5 min drive
Big Elk Meadows - Boulders in Colorado has 9 climbing routes.
