Colorado · Rock climbing · Kinikinik

Critical Mass Area

Critical Mass Area is a bouldering crag in Colorado with 4 routes.

4 routes
V4 – V12
Bouldering

Is Critical Mass Area 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 Critical Mass Area

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

    36° / 15°

    5 wet

  2. Feb

    36° / 15°

    5 wet

  3. Mar

    44° / 20°

    6 wet

  4. Apr

    49° / 25°

    8 wet

  5. May

    59° / 32°

    9 wet

  6. Jun

    72° / 40°

    8 wet

  7. Jul

    78° / 47°

    9 wet

  8. Aug

    76° / 46°

    10 wet

  9. Sep

    69° / 38°

    8 wet

  10. Oct

    56° / 29°

    6 wet

  11. Nov

    44° / 21°

    5 wet

  12. Dec

    36° / 15°

    5 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Rustic 9wsw, CO, 1.5 mi away at 7,700 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

The Critical Mass Area is a climbing area in the Canyon Lakes Ranger District of the Arapaho and Roosevelt National Forests in Colorado. It sits along the Cache La Poudre, Colorado Wild and Scenic River, and the Forest Service manages the land. Summer is the most comfortable time to visit. Typical averages from a nearby weather station at Rustic show July highs around 78°F with lows near 47°F. Winters are cold, with January highs around 36°F. Several other climbing areas are close by, including West of Rustic, about 0.2 miles away, and Turtle Crag, about 0.4 miles away. Big Bend Campground is about 0.5 miles off, and Roaring Creek is about 1.4 miles away.

Routes (4)