Colorado · Rock climbing · Whitewater

Fortress Wall

Fortress Wall in Colorado has 8 trad climbing routes.

8 routes
5.10- – 5.11b
Trad

Best time to visit Fortress Wall

Best months: April–May and September–October. 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

    39° / 21°

    6 wet · 4 snow

  2. Feb

    45° / 25°

    5 wet · 3 snow

  3. Mar

    56° / 34°

    6 wet · 2 snow

  4. Apr

    63° / 39°

    6 wet · 1 snow

  5. May

    74° / 49°

    6 wet

  6. Jun

    87° / 58°

    4 wet

  7. Jul

    93° / 65°

    6 wet

  8. Aug

    90° / 62°

    7 wet

  9. Sep

    80° / 54°

    7 wet

  10. Oct

    66° / 41°

    6 wet

  11. Nov

    50° / 31°

    6 wet · 2 snow

  12. Dec

    39° / 22°

    6 wet · 4 snow

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Colorado Nm, CO, 20.5 mi away at 5,781 ft. The station sits about 1,500 ft lower than this place, so expect it a little cooler here. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Fortress Wall is a climbing area in Colorado, about 12 miles from the town of Kannah. It sits close to several other named climbing areas, which makes it easy to pair with other climbs on the same outing. Spring and fall are the most comfortable times to go. Typical averages from a nearby weather station show May highs around 74°F and October highs around 66°F, while July highs average about 93°F and winter brings frequent snow days. Hidden Valley Wall is just 0.1 mile away, and Sunday Wall and Zone 1 are each about 0.3 mile off. For a walk, the Main Trail is about half a mile away.