Colorado · Rock climbing · Jamestown

The Coliseum

The Coliseum in Colorado has 10 routes with 7 difficulty grades, offering mixed and traditional climbing.

10 routes
5.7 – 5.11b
Trad · Mixed

Is Coliseum, The open right now?

Alert in the area

The Forest Service lists 3 alerts for Arapaho and Roosevelt National Forests.

As of · Source: USFS · Arapaho and Roosevelt National Forests. Agencies don't list every closure — check before you go.

Best time to visit The Coliseum

Best months: May–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

    37° / 16°

    7 wet

  2. Feb

    38° / 16°

    8 wet

  3. Mar

    45° / 21°

    9 wet

  4. Apr

    52° / 26°

    10 wet

  5. May

    61° / 35°

    12 wet

  6. Jun

    74° / 43°

    10 wet

  7. Jul

    80° / 48°

    13 wet

  8. Aug

    78° / 46°

    13 wet

  9. Sep

    70° / 39°

    9 wet

  10. Oct

    57° / 30°

    7 wet

  11. Nov

    44° / 23°

    6 wet

  12. Dec

    36° / 16°

    7 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Estes Park 3 Sse, CO, 14.7 mi away at 7,812 ft. The station sits about 700 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.

The Coliseum is a climbing area in the Boulder Ranger District of the Arapaho and Roosevelt National Forests in Colorado, managed by the Forest Service. It sits among a cluster of climbing spots, with the Lower Tier and Second Tier climbing areas each about 0.7 miles away. Summer is the most comfortable time to visit. Typical averages from a nearby weather station in Estes Park show July highs around 80°F with lows near 48°F, while winter highs stay in the mid-30s. Coffintop and Dry Saint Vrain are both hikes within about 2.5 miles. South Saint Vrain Creek, a canoeing route, is about 3.7 miles away, and Peaceful Valley Campground offers camping roughly 7.4 miles off.