Colorado · Rock climbing · Whitewater

Blanc Block

Blanc Block in Colorado has 6 bouldering routes across 4 difficulty grades.

6 routes
V0 – V4
Bouldering

Best time to visit Blanc Block

Best months: March–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° / 19°

    5 wet · 3 snow

  2. Feb

    46° / 25°

    5 wet · 2 snow

  3. Mar

    58° / 34°

    6 wet · 1 snow

  4. Apr

    65° / 40°

    7 wet

  5. May

    76° / 50°

    5 wet

  6. Jun

    88° / 59°

    3 wet

  7. Jul

    93° / 65°

    5 wet

  8. Aug

    90° / 63°

    6 wet

  9. Sep

    81° / 54°

    6 wet

  10. Oct

    67° / 41°

    5 wet

  11. Nov

    52° / 30°

    5 wet · 1 snow

  12. Dec

    40° / 20°

    4 wet · 3 snow

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Grand Junction 6ese, CO, 9.3 mi away at 4,760 ft. The station sits about 1,000 ft lower than this place, so expect it a little cooler here. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Blanc Block is a climbing area on Bureau of Land Management land in the Grand Junction Field Office in western Colorado, about 3.3 miles from the town of Kannah. Spring and fall are the most comfortable times to visit. Typical averages from a nearby weather station in Grand Junction show May highs around 76°F and October highs around 67°F, while July averages about 93°F and winter brings highs near 40°F with a few snowy days each month. The area is packed with other climbing. The Dirty Dozen Boulder Area and Grit Wall sit about 0.1 mile away, and Riddler Boulder and Area 51 Boulder Area are each about 0.2 mile off. Mountain bikers can ride the trail near East Creek - Unaweep Canyon, about 0.3 mile away.

Routes (6)