Montana · Rock climbing · Gallatin Gateway · Near Emigrant

Gorilla Block

10 routes
V0 – V4+
Bouldering
Jul–Sep
best months

Is Gorilla Block open right now?

Closure in the area

There's a closure order in Bozeman Ranger District. It doesn't name Gorilla Block, so check the source for the area it covers (16 listed).

As of · Source: USFS · Bozeman Ranger District. Agencies don't list every closure — check before you go.

Gorilla Block is a bouldering area in the Bozeman Ranger District of Custer Gallatin National Forest in Montana, managed by the Forest Service. It sits among a cluster of climbing spots, with Sagebrush Point Boulders and Crows Nest both about 0.1 mile away. The area holds 10 boulder problems, all rated from V0 to V4+. The easiest is Rafiki's Arete at V0, and the hardest is Canyon Clinger at V4+. Monkey Swing and Once Around The Block are both V2, with the latter's first ascent by Kyle Redberg. Summer is the most comfortable time to visit. Typical averages from a nearby weather station in Big Sky show July highs around 78°F with lows near 41°F, while winter highs stay in the 20s and 30s. Greek Creek campground is about 1.1 miles away, and the Lava Lake hike is about 1.5 miles off. The Pioneer Lakes Trail and the Gallatin River fishing access at Greek Creek are also within a few miles.

Around this trail

Add any of these when you start a trip
  • Sleep close

    Greek Creek

    Campground

    Campground · 1.1 mi from the trail
  • Eat after

    Blacksmith Italian

    Restaurant

    Open after 6

Places © OpenStreetMap contributors

More in Emigrant
  • Best time to go · Jul–Sep

    Best time to visit Gorilla Block

    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.

    1. Jan

      30° / 9°

      13 wet

    2. Feb

      34° / 9°

      11 wet

    3. Mar

      42° / 17°

      12 wet

    4. Apr

      48° / 23°

      11 wet

    5. May

      58° / 30°

      14 wet

    6. Jun

      67° / 36°

      14 wet

    7. Jul

      78° / 41°

      11 wet

    8. Aug

      77° / 39°

      11 wet

    9. Sep

      68° / 33°

      10 wet

    10. Oct

      53° / 25°

      10 wet

    11. Nov

      37° / 16°

      11 wet

    12. Dec

      27° / 9°

      14 wet

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Big Sky 2wnw, MT, 9.9 mi away at 6,590 ft. The station sits about 1,000 ft higher than this place, so expect it a little warmer here. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Routes (10)