The Left Side
Left Side, The in Colorado has 8 climbing routes across 7 grades.
- 8 routes
- 5.8 – 5.11b
- Trad · Mixed
Is Left Side, The 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 The Left Side
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, 5.3 mi away at 7,970 ft. The station sits about 1,000 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.
The Left Side 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 a cluster of named climbing areas, with the Lower Tier and the Bihedral (Upper Tier) both about 0.1 mile away. Summer is the most comfortable time to visit. Typical averages from a nearby weather station show July highs around 79°F with lows near 50°F, while winter highs stay in the low 40s. The Hawkins Surguine Spur Trail is about 1.5 miles away, and Winiger Ridge campground is about 4 miles off. Gordon Gulch campground and Boulder Creek, a canoeing spot, are both within about 5 miles.
Routes (8)
Keep exploring — more climbs worth the drive
The Lower Tier
~0 min drive
Lower Tier, The in Colorado has 17 climbing routes across 10 grades.
The Bihedral (Upper Tier)
~0 min drive
Bihedral (Upper Tier) in Colorado has 38 climbing routes.
Hillbilly Rock 1
~0 min drive
Hillbilly Rock 1 in Colorado has 10 climbing routes ranging from sport to trad.
The Riviera
~0 min drive
Riviera, The in Colorado has 21 climbing routes across 10 grades, offering mixed, sport, and trad styles.
The Bihedral Area
~0 min drive
Bihedral Area is a bouldering crag in Colorado with 1 route.
Across from The Bihedral aka Cascade Crag
~0 min drive
25-route climbing area in Colorado with sport and trad options, 15 difficulty grades.
Hillbilly Rock 3
~0 min drive
Hillbilly Rock 3 in Colorado has 5 sport climbing routes across 3 difficulty grades.
Garden Party Wall
~0 min drive
Garden Party Wall in Colorado has 5 mixed and sport climbing routes ranging from moderate to hard difficulty.
Sherwood Forest
~0 min drive
Sherwood Forest in Colorado has 12 climbing routes across 10 grades, offering sport and trad options.
Truth or Consequences Crag aka Inca Stone
~0 min drive
Truth or Consequences Crag (Inca Stone) in Colorado has 13 routes across 10 grades with mixed, sport, and trad climbing.
