Wyoming · Rock climbing · Guernsey

Guernsey State Park

Guernsey State Park in Wyoming offers 6 sport climbing routes across 5 difficulty grades.

6 routes
5.10b – 5.12-
Sport

Best time to visit Guernsey State Park

Best months: April–June and September–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

    40° / 14°

  2. Feb

    41° / 16°

  3. Mar

    52° / 24°

  4. Apr

    59° / 32°

  5. May

    69° / 43°

  6. Jun

    81° / 53°

  7. Jul

    89° / 60°

  8. Aug

    87° / 57°

  9. Sep

    78° / 48°

  10. Oct

    63° / 34°

  11. Nov

    50° / 23°

  12. Dec

    40° / 15°

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Guernsey 2nw, WY, 2.4 mi away at 4,480 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Guernsey State Park is a climbing area within Guernsey Reservoir State Park in Wyoming, managed by State Park and Recreation. It sits among a cluster of trails and climbing spots, with the Marsh Mountain Trail and North Bluff Trail both about 0.1 mile away. The park's climbing is all sport, and the routes run from about 5.10b up to 5.12-. The easiest is Liquor Chuck at 5.10b, and the hardest is the Gray Metolius? Project/Toprope at 5.12-. The Red Zone Project/Toprope is 5.11d. The area is small, with six routes in total. Summer is the warmest stretch. Typical averages from a nearby weather station show July highs around 89°F and lows near 60°F, while September cools to highs in the upper 70s. Winter is cold, with January highs around 40°F and lows near 14°F. Other climbing is close by. Area 3: The Revolutionary Climbing Wall of Dead Man's Gulch is about 0.6 mile away, and Hot Cinnamon Wall is about 2 miles off. Hikers can also reach the Lakeview Trail, roughly 0.8 mile away.

Routes (6)

Area 2: The Shelf Road Wall(1)

Liquor Chuck5.10b

Area 4: The Red Cloud Wall(1)

Victor of the Spoils5.10d

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