Colorado · Rock climbing · Whitewater

Sunblock Boulder

Sunblock Boulder in Colorado has 6 bouldering routes with 5 difficulty grades.

6 routes
V1 – V7+
Bouldering

Best time to visit Sunblock Boulder

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, 8.2 mi away at 4,760 ft. The station sits about 600 ft lower than this place, so expect it a little cooler here. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Sunblock Boulder is a climbing area on Bureau of Land Management land in the Grand Junction Field Office in western Colorado. It sits among a cluster of other bouldering spots, with Triangle Boulder Area and Jeremy's Boulder each about 0.1 mile away. 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 climb to about 93°F and winter brings highs near 40°F with a few snowy days a month. The Tabeguache Trail is about 2.1 miles away for hiking, and the Mountain Bike Trail near East Creek - Unaweep Canyon is about 1.4 miles off. For an overnight stay, KOA Holiday is roughly 7.8 miles away.

Routes (6)