Ice Box (later renamed by some ... Jurassic Park)
Ice Box (later renamed by some ... Jurassic Park) is a Wyoming climbing crag with 15 routes.
- 15 routes
- 5.5 – 5.11c/d
- Mixed · Trad · Sport
Is Ice Box (later renamed by some ... Jurassic Park) open right now?
Alert in the area
The Forest Service lists 3 alerts for Medicine Bow-Routt National Forest.
Access Impact: Big Creek Lakes Dam Project
Agency alert covering Medicine Bow-Routt National Forest · USFS · Medicine Bow-Routt National Forest
Trail & Access Impact: Stillwater Reservoir Project
Agency alert covering Medicine Bow-Routt National Forest · USFS · Medicine Bow-Routt National Forest
Snowy Range - 2026 Active Vegetation Operations
Agency alert covering Medicine Bow-Routt National Forest · USFS · Medicine Bow-Routt National Forest
As of · Source: USFS · Medicine Bow-Routt National Forest. Agencies don't list every closure — check before you go.
Best time to visit Ice Box (later renamed by some ... Jurassic 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.
Jan
33° / 12°
7 wet
Feb
35° / 15°
7 wet
Mar
44° / 21°
8 wet
Apr
51° / 28°
11 wet
May
60° / 36°
12 wet
Jun
73° / 46°
10 wet
Jul
81° / 52°
11 wet
Aug
79° / 49°
10 wet
Sep
72° / 43°
8 wet
Oct
56° / 31°
8 wet
Nov
43° / 23°
7 wet
Dec
34° / 14°
7 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Laramie 4se, WY, 11.3 mi away at 7,390 ft. The station sits about 800 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.
Ice Box is a climbing area in Wyoming's Medicine Bow-Routt National Forest, within the Laramie Ranger District. The Forest Service manages the land, and the area is also known by some as Jurassic Park. The climbing is concentrated close together. Old Folks' Wall sits about 0.1 mile away, and Land of the Rising Moon and Hassler's Hatbox are each within half a mile. The Turtle Rock Loop hike is about 0.3 mile off. The most comfortable months for a visit are typically July and August, when typical averages from a nearby weather station show highs around 81°F and lows near 50°F. Winters there are cold, with January highs averaging about 33°F. That station sits roughly 780 feet below the area, so temperatures on the rock may run a bit cooler. The routes here range from 5.5 to 5.11c/d, with mixed and trad styles making up the bulk. Prologue is a 5.5 trad route, and Velociraptor's Revenge is a 5.11c/d trad route. Flake-O-Saurus is a mixed route at 5.10c.
Routes (15)
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