Colorado · Bouldering · Bellvue

Chromosphere

One of 12 routes at Unwilling Boulder, near the top of the crag's V4–V13+ range.

V8
grade
Bouldering Pads
style

Is Chromosphere open right now?

Alert in the area

The Forest Service lists 4 alerts for Canyon Lakes Ranger District.

As of · Source: USFS · Canyon Lakes Ranger District. Agencies don't list every closure — check before you go.

Best time to visit Chromosphere

Best months: April–June and August–October. 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

    45° / 18°

    4 wet

  2. Feb

    47° / 21°

    5 wet

  3. Mar

    56° / 29°

    6 wet

  4. Apr

    63° / 35°

    9 wet

  5. May

    71° / 44°

    12 wet

  6. Jun

    82° / 53°

    10 wet

  7. Jul

    87° / 59°

    9 wet

  8. Aug

    85° / 57°

    9 wet

  9. Sep

    77° / 48°

    7 wet

  10. Oct

    64° / 36°

    6 wet

  11. Nov

    53° / 26°

    5 wet

  12. Dec

    44° / 18°

    4 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Ft Collins, CO, 13.4 mi away at 5,004 ft. The station sits about 800 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.

One of 12 routes catalogued at Unwilling Boulder, this climb sits near the upper end of the crag's range, which spans V4 to V13+.

Keep exploring — more climbs worth the drive