Colorado · Bouldering · Whitewater

Cell Number 138

Lower-range boulder problem in the Alcatraz Boulder sector at Black Wave.

V1
grade
Bouldering Pads
style

Best time to visit Cell Number 138

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, 18.8 mi away at 5,781 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

One of 78 routes catalogued at Black Wave Boulder Area, this climb sits in the lower range of the crag's V0–V7 span within the Alcatraz Boulder sector.