Main - Left
Main - Left in California has 5 trad routes across 3 difficulty grades.
- 5 routes
- 5.5 – 5.8
- Trad
Is Main - Left open right now?
Alert in the area
The Forest Service lists 2 alerts for Tahoe National Forest.
Stage 1 Fire Restrictions
Agency alert covering Tahoe National Forest · Order 17-26-25 · USFS · Tahoe National Forest
Camping and Campfire Restrictions-Truckee and Sierraville Districts
Agency alert covering Tahoe National Forest · Order 17-25-05 · USFS · Tahoe National Forest
As of · Source: USFS · Tahoe National Forest. Agencies don't list every closure — check before you go.
Best time to visit Main - Left
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
41° / 17°
11 wet
Feb
43° / 18°
10 wet
Mar
48° / 22°
10 wet
Apr
53° / 26°
7 wet
May
63° / 33°
6 wet
Jun
73° / 38°
3 wet
Jul
82° / 44°
2 wet
Aug
81° / 42°
2 wet
Sep
74° / 36°
2 wet
Oct
63° / 29°
4 wet
Nov
49° / 23°
7 wet
Dec
39° / 17°
10 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Donner Mem Sp, CA, 4.8 mi away at 5,937 ft. The station sits about 1,200 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.
Main - Left is a climbing area in the Truckee Ranger District of Tahoe National Forest in California, managed by the Forest Service. The surrounding area holds two other climbing areas, Main - Right and Upper - Right, both about 0.1 mile away, and the Pacific Crest National Scenic Trail #2000 passes within 0.3 mile. The five routes here are all trad, with grades ranging from 5.5 to 5.8 on the YDS scale. Kindergarten Crack and Sandy Lunchables are both 5.5, and Mary's Crack and The Breakfast Club sit at 5.8. Summer is the most comfortable time to climb. Typical averages from a nearby weather station at Donner Summit show July highs around 82°F with lows near 44°F and only about two wet days in the month. Winter is far colder, with January highs around 41°F and lows near 17°F. For time off the rock, Donner Summit Lakes Trail is 0.8 mile away, and Milton Reservoir offers lake fishing about 1.3 miles off. Granite Flat campground is roughly 6.4 miles away.
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