Montana · Rock climbing · Bozeman · Near Emigrant

Under The Sea Wall

10 routes
5.8 – 5.10a
Sport
Jul–Sep
best months

Is Under The Sea Wall open right now?

Closure in the area

There's a closure order in Bozeman Ranger District. It doesn't name Under The Sea Wall, 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.

Under the Sea Wall is a sport climbing area in Montana's Custer Gallatin National Forest, within the Bozeman Ranger District. It sits among several climbing neighbors, with Lower Bear Canyon just 0.1 mile away and Boundary Line Fin 0.3 mile off. New World Gulch, a ski touring route, lies 0.5 mile away. The area holds 10 sport routes, most of them bolted and ranging from 5.8 to 5.10a. Moray in the Hole is a 5.8, South Sea is a 5.9 and Under the Sea is a 5.10a. Graham Charles and others have established the routes. Summer is the most comfortable time to visit. Typical averages from a nearby weather station in Bozeman, at a similar elevation, show July highs around 82°F with lows near 52°F, while winter brings highs in the mid-30s and regular snow days. For an overnight stay, Mystic Lake Cabin is 4.4 miles away. Moonshine, a hike, is 0.9 mile off.

Around this trail

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

    Bear Canyon Campground

    Campground

    Campground · 3.5 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 Under The Sea Wall

    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

      34° / 15°

      11 wet · 9 snow

    2. Feb

      37° / 17°

      10 wet · 8 snow

    3. Mar

      46° / 24°

      12 wet · 9 snow

    4. Apr

      54° / 30°

      13 wet · 6 snow

    5. May

      63° / 39°

      15 wet · 2 snow

    6. Jun

      72° / 46°

      15 wet

    7. Jul

      82° / 52°

      11 wet

    8. Aug

      81° / 50°

      10 wet

    9. Sep

      71° / 42°

      9 wet · 1 snow

    10. Oct

      57° / 32°

      10 wet · 3 snow

    11. Nov

      42° / 22°

      10 wet · 7 snow

    12. Dec

      33° / 14°

      11 wet · 9 snow

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Bozeman Montana State Univ, MT, 7.5 mi away at 4,913 ft. The station sits about 800 ft lower than this place, so expect it a little cooler here. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Routes (10)