Idaho · Rock climbing · Almo

Comp Rock

Comp Rock in Idaho has 6 climbing routes across 6 difficulty grades, offering sport and trad options.

Comp RockPhoto: Seth Tisue, CC BY-SA 2.0 (via Flickr)
6 routes
5.8 – 5.10d
Trad · Sport

Best time to visit Comp Rock

Best months: April–June and August–October. 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

    35° / 16°

    8 wet

  2. Feb

    39° / 19°

    7 wet

  3. Mar

    48° / 27°

    6 wet

  4. Apr

    55° / 33°

    7 wet

  5. May

    65° / 41°

    9 wet

  6. Jun

    75° / 50°

    6 wet

  7. Jul

    86° / 59°

    5 wet

  8. Aug

    85° / 57°

    6 wet

  9. Sep

    74° / 48°

    5 wet

  10. Oct

    60° / 35°

    5 wet

  11. Nov

    45° / 24°

    6 wet

  12. Dec

    35° / 17°

    8 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Rosette, UT, 25.5 mi away at 5,685 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.

Comp Rock is a climbing area within Castle Rocks State Park in Idaho, managed by State Park and Recreation. It sits among a cluster of named climbing spots, with Comp Rock - East Face, The Comp Wall and Taco Cave all about 0.1 mile away. The climbing here ranges from trad routes on the easier end to sport routes that top out around 5.10d. The most comfortable months for a visit are typically June and September, when a nearby weather station records typical average highs of about 75°F and 74°F. Winter is cold, with typical January highs near 35°F and lows around 16°F. The area has six routes in total, with three each in sport and trad styles. The trad route Rose Crack is at 5.8, and the sport route Baby-Free is at 5.10a. The hardest is an unnamed 5.10d.

Keep exploring — more climbs worth the drive