Colorado · Bouldering · Boulder

Left Interference

Entry-level boulder among 32 routes at Fern Canyon Bouldering.

V1
grade
Bouldering Pads
style

Best time to visit Left Interference

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, 3.9 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.

One of 32 routes catalogued at Fern Canyon Bouldering, this climb sits at the entry level of the crag's V1–V10 range.

Keep exploring — more climbs worth the drive