Lion's Den
Lion's Den in Colorado has 5 routes ranging across 3 difficulty grades, offering mixed, sport, and trad climbing.
Photo: Jim Halligan, CC BY 2.0 (via Flickr)- 5 routes
- 5.9 – 5.12a
- Mixed · Sport · Trad
Best time to visit Lion's Den
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, 5.6 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.
Lion's Den is a climbing area on city land in the Boulder Falls - Luckie No. 3 unit of the Boulder Ranger District of the Arapaho and Roosevelt National Forests, in Colorado. It sits within a cluster of climbing spots, with the Arena (aka Contender Wall) and Catacombs both about 0.1 mile away. Summer is the most comfortable time to climb. Typical averages from a nearby weather station run from highs around 73°F in June to about 79°F in July, with lows in the low to mid 50s. That station sits about 940 feet lower than the climbing area, so temperatures at the rocks run cooler. Nearby, the Hawkins Surguine Spur Trail starts about 1.2 miles away and offers hiking. Winiger Ridge campground is about 4.2 miles off, and Gordon Gulch is about 4.9 miles away.
Keep exploring — more climbs worth the drive
Photo: Jim Halligan, CC BY 2.0 (via Flickr)West Gully
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West Gully in Colorado has 5 climbing routes with sport and trad options.
Photo: Jim Halligan, CC BY 2.0 (via Flickr)Solaris
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Solaris is a Colorado climbing crag with 21 routes across 14 grades, offering mixed, sport, and trad climbing.
Cenotaph Spire
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Cenotaph Spire in Colorado has 6 climbing routes with mixed and traditional styles.
The Catacombs
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Catacombs, The in Colorado has 6 routes across 4 grades, offering mixed and traditional climbing.
Mindless Cliff
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Mindless Cliff in Colorado has 5 climbing routes ranging across 5 difficulty grades.
The Arena (aka Contender Wall)
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Arena (aka Contender Wall) is a Colorado climbing crag with 5 routes.
The Hideout
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15-route climbing area in Colorado with sport and trad options.
Lower Right Side
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Lower Right Side in Colorado has 16 routes across 11 grades, offering bouldering, sport, and trad climbing.
Creekside
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Creekside in Colorado has 6 routes across 6 grades, offering mixed and trad climbing.
The Lookout
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Lookout, The in Colorado has 7 climbing routes across 6 grades.
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