Colorado · Bouldering · Red Feather Lakes

Isoceles

A high-end boulder problem in the Isosceles Bloc sector at High Cluster.

V6
grade
Bouldering Pads
style

Is Isoceles 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 Isoceles

Best months: June and 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

    31° / 11°

    9 wet

  2. Feb

    33° / 10°

    9 wet

  3. Mar

    40° / 15°

    10 wet

  4. Apr

    45° / 20°

    10 wet

  5. May

    55° / 28°

    10 wet

  6. Jun

    68° / 36°

    10 wet

  7. Jul

    74° / 43°

    13 wet

  8. Aug

    72° / 41°

    14 wet

  9. Sep

    65° / 34°

    10 wet

  10. Oct

    51° / 25°

    8 wet

  11. Nov

    39° / 18°

    9 wet

  12. Dec

    31° / 11°

    9 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Hourglass Rsvr, CO, 12.4 mi away at 9,520 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

One of 18 boulder problems catalogued at High Cluster, this climb sits near the top end of the crag's V0–V8 range in the Isosceles Bloc sector.