Left Side

Is Left Side 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 Oct 21, 7:30 pm MDT · Source: USFS · Arapaho and Roosevelt National Forests. Agencies don't list every closure — check before you go.

Best time to visit 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.

1. Jan

   39° / 17°

   5 wet

2. Feb

   40° / 17°

   5 wet

3. Mar

   47° / 22°

   6 wet

4. Apr

   52° / 27°

   8 wet

5. May

   61° / 35°

   10 wet

6. Jun

   73° / 44°

   9 wet

7. Jul

   79° / 50°

   10 wet

8. Aug

   77° / 48°

   11 wet

9. Sep

   70° / 41°

   8 wet

10. Oct

    57° / 31°

    6 wet

11. Nov

    47° / 24°

    5 wet

12. Dec

    40° / 17°

    5 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Gross Rsvr, CO, 5.2 mi away at 7,970 ft. The station sits about 1,100 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.