Wildcat Mountaineering
Rock Climbing business nearby (~3 mi away) — hasn't claimed their Roamze page yet
Colorado · Rock climbing · Lyons
Stonebridge
Mid-upper range climb among 15 routes at South Formation.
- 5.11c
- grade
- Trad Gear
- style
Best time to visit Stonebridge
Best months: May–June and August–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
44° / 15°
4 wet
Feb
45° / 17°
4 wet
Mar
53° / 25°
5 wet
Apr
60° / 31°
8 wet
May
68° / 41°
10 wet
Jun
80° / 49°
8 wet
Jul
87° / 55°
8 wet
Aug
84° / 53°
8 wet
Sep
76° / 45°
7 wet
Oct
63° / 34°
5 wet
Nov
51° / 24°
4 wet
Dec
43° / 16°
4 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Waterdale, CO, 14 mi away at 5,230 ft. The station sits about 800 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 15 routes catalogued at South Formation, this climb sits in the middle-upper range of the crag's 5.7 to 5.13b span.
Keep exploring — more climbs worth the drive
Buick Rocks and Hitler's Sex Life
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River Wall II
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The Lion's Den
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The Bullet
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North Fork of the St. Vrain River
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15 climbing routes in Colorado with bouldering pads, sport, and trad.
The Shrine of Vanity
~5 min drive
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Dance Hall of the Dead
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12-route climbing area in Colorado with mixed, sport, and trad options.
Mushroom Massif
~5 min drive
Mushroom Massif in Colorado has 15 climbing routes across 12 grades.
December Wall
~5 min drive
December Wall in Colorado has 24 climbing routes across 17 grades, featuring mixed, sport, and trad styles.
Local businesses nearby
Outfitters and businesses near Lyons. They haven’t set up their Roamze page yet.
View operator
Movement Gyms
Rock Climbing business nearby (~15 mi away) — hasn't claimed their Roamze page yet
Boulder Rock Club
Rock Climbing business nearby (~16 mi away) — hasn't claimed their Roamze page yet
