Wyoming · Rock climbing · Yellowstone National Park

Glacial Boulder

Glacial Boulder in Wyoming has 7 bouldering routes across 4 grades.

Photo: daveynin, CC BY 2.0 (via Flickr)

7 routes

V0-1 – V3

Bouldering

Is Glacial Boulder open right now?

Closure in the area

There's a closure order in Yellowstone National Park. It doesn't name Glacial Boulder, so check the source for the area it covers.

Biscuit Basin Closed Due to Hydrothermal Explosion
Park closure covering Yellowstone National Park · NPS · Yellowstone National Park
Stay Away From Bull Elk
Park alert covering Yellowstone National Park · NPS · Yellowstone National Park

As of Oct 25, 7:00 pm MDT · Source: NPS · Yellowstone National Park. Agencies don't list every closure — check before you go.

Best time to visit Glacial Boulder

Best months: July–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
23° / 3°
17 wet
Feb
27° / 3°
15 wet
Mar
35° / 11°
14 wet
Apr
42° / 19°
12 wet
May
50° / 29°
12 wet
Jun
61° / 36°
13 wet
Jul
71° / 43°
10 wet
Aug
71° / 42°
10 wet
Sep
61° / 34°
10 wet
Oct
46° / 25°
9 wet
Nov
33° / 15°
12 wet
Dec
24° / 7°
16 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Lake Yellowstone, WY, 12.1 mi away at 7,892 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Glacial Boulder is a bouldering area in Yellowstone National Park in Wyoming, managed by the National Park Service. It sits within the park's boundaries, and a fee is charged for access. The climbing here is all bouldering, with seven routes spread across the area. The grades run from V0-1 up to V3, with the median at V3. Among the named routes are Mounting a Clydesdale (V0-1), Chicken Out Ridge (V1), Face Value (V2) and Battle of the Buldge (V3). Summer is the most comfortable time to visit. Typical averages from the Lake Yellowstone weather station, about 12 miles away, show July and August highs around 71°F with lows in the low 40s, while winter highs stay in the 20s. Several trails start close by. The Mount Washburn Spur Trail and Seven Mile Hole Trail are each about 0.1 mile away, and the Artist Point-Point Sublime Trail is about 0.6 mile off. Canyon Rim Trail is about 0.8 mile away.