Colorado · Rock climbing · New Castle

Holloway Boulder

Holloway Boulder in Colorado has 5 bouldering routes spanning 5 difficulty grades.

5 routes
V0 – V8
Bouldering

Best time to visit Holloway Boulder

Best months: April–June 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

    36° / 12°

    8 wet · 6 snow

  2. Feb

    42° / 19°

    6 wet · 4 snow

  3. Mar

    53° / 26°

    6 wet · 2 snow

  4. Apr

    60° / 32°

    7 wet · 1 snow

  5. May

    71° / 40°

    7 wet

  6. Jun

    82° / 46°

    5 wet

  7. Jul

    89° / 53°

    5 wet

  8. Aug

    86° / 52°

    6 wet

  9. Sep

    78° / 44°

    6 wet

  10. Oct

    65° / 33°

    6 wet

  11. Nov

    49° / 24°

    6 wet · 2 snow

  12. Dec

    36° / 15°

    7 wet · 4 snow

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Glenwood Spgs #2, CO, 14.4 mi away at 5,895 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.

Holloway Boulder is a bouldering area in Colorado, about 5 miles from the town of New Castle. It sits among a cluster of climbing spots, with The Distillery and Hogwarts both within half a mile, and New Castle Boulders about a mile away. The area is a compact, close-to-town destination for boulderers. The climbing here is all bouldering, with five routes spread across the V0 to V8 range. The easiest is Unnamed Slab at V0, and the hardest is Scott's Arete, also known as Ass Boss, at V8. Lightning Foot Jones is a V4, and West Face is a V6. For timing, late spring and early fall are the most comfortable. Typical averages from a nearby weather station show May highs around 71°F and September highs around 78°F, while July averages climb to about 89°F. Paddlers can head to East Elk Creek, about 0.8 miles away, and Elk Creek Campground is roughly 3.7 miles off.