Colorado · Rock climbing · Evergreen

Alderfer/Three Sisters Park

7 climbing routes in Colorado with 6 difficulty grades.

Alderfer/Three Sisters ParkPhoto: kalestews, CC BY 2.0 (via Flickr)
7 routes
V2- – V7
Bouldering

Best time to visit Alderfer/Three Sisters Park

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

    44° / 12°

    5 wet

  2. Feb

    44° / 13°

    6 wet

  3. Mar

    51° / 21°

    7 wet

  4. Apr

    56° / 27°

    8 wet

  5. May

    64° / 36°

    10 wet

  6. Jun

    76° / 43°

    10 wet

  7. Jul

    81° / 49°

    12 wet

  8. Aug

    79° / 47°

    12 wet

  9. Sep

    73° / 40°

    8 wet

  10. Oct

    61° / 29°

    6 wet

  11. Nov

    51° / 20°

    5 wet

  12. Dec

    44° / 13°

    5 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Evergreen, CO, 1.9 mi away at 6,985 ft. The station sits about 500 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.

Alderfer/Three Sisters Park is a climbing area on county land in Colorado, about 2 miles from Evergreen. It sits among several named climbing areas and trails, so it works well as a base for a day of bouldering or a longer outing with hiking. Summer is the most comfortable time to visit. Typical averages from a nearby weather station in Evergreen show July highs around 81°F with lows near 49°F, while winter highs stay in the mid-40s. The closest neighbors are the Shoulder Boulder, Fox Block and Little Peabody climbing areas, all about 0.1 mile away, and the Ponderosa Trail. Bear Creek, a canoeing spot, is about 1.2 miles off.

Routes (7)

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