Colorado · Rock climbing · New Castle

The Arsenal

Arsenal, Colorado climbing area with 30 sport routes across 9 grades.

30 routes
5.12a – 5.14a
Sport

Best time to visit The Arsenal

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

    37° / 10°

    8 wet

  2. Feb

    42° / 15°

    7 wet

  3. Mar

    55° / 22°

    7 wet

  4. Apr

    62° / 28°

    9 wet

  5. May

    72° / 37°

    9 wet

  6. Jun

    83° / 45°

    6 wet

  7. Jul

    88° / 52°

    9 wet

  8. Aug

    85° / 49°

    9 wet

  9. Sep

    79° / 41°

    8 wet

  10. Oct

    64° / 30°

    8 wet

  11. Nov

    49° / 20°

    7 wet

  12. Dec

    37° / 11°

    8 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Rifle 3ene, CO, 10.5 mi away at 5,469 ft. The station sits about 1,600 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.

The Arsenal is a climbing area in Rifle Mountain Park, Colorado, on city-managed land. It sits among several other climbing spots in the park, with Sno-Cone Cave and Sanctuary both about 0.1 mile away. For comfortable weather, aim for late spring or early fall. Typical averages from a nearby weather station show May highs around 72°F and September highs near 79°F, while July peaks around 88°F and winter highs hover near 37°F. Rifle Mountain Park campground is about 1.7 miles away, and the Bobcat Trail is about 1.4 miles off. Lakeview Campground lies roughly 5.7 miles away, and paddlers can find Main Elk Creek about 8 miles from the area.