Colorado · Rock climbing · Lyons

Middle Fork of St. Vrain Canyon

Near Lyons

5 routes
5.8 – 5.11c
Trad · Mixed

Is Middle Fork of St. Vrain Canyon 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 Middle Fork of St. Vrain Canyon

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

    32° / 14°

  2. Feb

    35° / 15°

  3. Mar

    42° / 20°

  4. Apr

    46° / 23°

  5. May

    56° / 32°

  6. Jun

    69° / 38°

  7. Jul

    74° / 44°

  8. Aug

    73° / 43°

  9. Sep

    66° / 36°

  10. Oct

    52° / 29°

  11. Nov

    41° / 20°

  12. Dec

    33° / 14°

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Allenspark 3nw, CO, 6.6 mi away at 8,500 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Middle Fork of St. Vrain Canyon 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 within the network of trails and waterways that run through this corner of the national forest, and it pairs easily with other outings in the surrounding area. Summer is the most comfortable time to visit. Typical averages from a nearby weather station at Allenspark show July highs around 74°F with lows near 44°F, while winter highs stay around freezing. South Saint Vrain Creek, a canoeing route, lies about a mile away, and the Scarpa Pizzo and Cays climbing areas are each about 1.6 miles off. For an overnight stay, Peaceful Valley Campground is roughly 3.8 miles away.

Routes (5)

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Scarpa PizzoPhoto: Dave Snowden, CC BY-SA 2.0 (via Flickr)

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