Castle Rocks Bouldering
16 bouldering routes in Idaho with 10 difficulty grades.
Photo: Seth Tisue, CC BY-SA 2.0 (via Flickr)- 16 routes
- V2 – V8
- Bouldering
Best time to visit Castle Rocks Bouldering
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.
Jan
40° / 21°
6 wet
Feb
44° / 24°
6 wet
Mar
54° / 30°
7 wet
Apr
60° / 34°
8 wet
May
69° / 41°
9 wet
Jun
78° / 48°
6 wet
Jul
86° / 57°
4 wet
Aug
86° / 56°
4 wet
Sep
77° / 47°
4 wet
Oct
64° / 37°
5 wet
Nov
49° / 28°
6 wet
Dec
39° / 21°
6 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Oakley, ID, 13.9 mi away at 4,559 ft. The station sits about 1,400 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.
Castle Rocks Bouldering is a bouldering area within Castle Rocks State Park in Idaho, managed by State Park and Recreation. It sits among a cluster of climbing areas, including Castle Rock - North Spur, Castle Rock - East Face and Castle Rock - South Face, all within about a tenth of a mile. Tiny Town is also close by. The bouldering here is all on rock, with 17 routes spread across the area. The grades run from V2 to V8, with the median at V5. Some of the named routes include Eagle Grove Variations (V2), Pork Chop (V5) and Global Tetrahedron (V8). For comfortable weather, aim for late spring or early fall. Typical averages from a nearby weather station in Oakley show May highs around 69°F and September highs around 77°F, while July and August average about 86°F. That station sits roughly 1,400 feet lower than the park, so temperatures at the boulders run cooler. Nearby, the Geological Interpretive Trail - 1 mile and Steinfell's Dome Trail are both about 2.7 miles away. Independence Lakes Campground is about 6.4 miles off.
Routes (16)
Chuck Norris(1)
Eagle Grove(1)
Global Tetrahedron(4)
Hornet Boulder(3)
Pontuffe Boulder(2)
Shock and Awe Shelter Area(2)
Three Pool Boulders(2)
Warm up Boulder(1)
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