Montana · Rock climbing · Townsend

Dirty Old Men

5.10c
grade
Sport Bolted
style
May–Jun, Aug–Sep
best months

Is Dirty Old Men open right now?

No closures listed

The Forest Service lists no closures for Helena-Lewis and Clark National Forest.

As of · Source: USFS · Helena-Lewis and Clark National Forest. Agencies don't list every closure — check before you go.

Located in the Sunfire Slab sector, this climb sits in the middle range of the 17 routes catalogued at Avalanche Gulch, which span from 5.8– to 5.12a. First ascent: Jake Mergenthaler, Randall Green & Ted Sims 2001.

  • Nearby · Nude Beach SW Face · Nude Beach Cove · Avalanche Gulch
  • Best time to go · May–Jun, Aug–Sep

    Best time to visit Dirty Old Men

    Best months: May–June and August–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

      32° / 14°

      7 wet · 6 snow

    2. Feb

      37° / 17°

      6 wet · 5 snow

    3. Mar

      48° / 25°

      7 wet · 4 snow

    4. Apr

      57° / 32°

      8 wet · 2 snow

    5. May

      66° / 41°

      11 wet

    6. Jun

      75° / 49°

      11 wet

    7. Jul

      86° / 55°

      8 wet

    8. Aug

      85° / 53°

      6 wet

    9. Sep

      73° / 45°

      6 wet

    10. Oct

      58° / 34°

      7 wet · 2 snow

    11. Nov

      43° / 23°

      6 wet · 4 snow

    12. Dec

      33° / 14°

      7 wet · 5 snow

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Helena Rgnl Ap, MT, 19.2 mi away at 3,828 ft. The station sits about 700 ft lower than this place, so expect it a little cooler here. Source: NOAA NCEI U.S. Climate Normals 1991–2020.