Hamm Boulder
Hamm Boulder in Colorado has 5 sport climbing routes spanning 5 difficulty grades.
- 5 routes
- 5.7 – 5.11b
- Sport
Best time to visit Hamm Boulder
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.
Jan
40° / 13°
7 wet · 5 snow
Feb
47° / 20°
7 wet · 4 snow
Mar
59° / 25°
6 wet · 2 snow
Apr
66° / 30°
5 wet
May
76° / 40°
6 wet
Jun
88° / 49°
4 wet
Jul
94° / 56°
7 wet
Aug
91° / 55°
7 wet
Sep
83° / 46°
6 wet
Oct
69° / 34°
5 wet
Nov
54° / 22°
5 wet · 1 snow
Dec
42° / 15°
7 wet · 4 snow
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Paradox 2n, CO, 21.3 mi away at 5,447 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Hamm Boulder is a climbing area on Bureau of Land Management land within the Tres Rios Field Office in Colorado. It sits among a cluster of other climbing spots, so it works well as a stop in a day of exploring the surrounding boulders and rock faces. Spring and fall are the most comfortable times to visit. Typical averages from a nearby weather station show May highs around 76°F and October highs around 69°F, while July averages climb to about 94°F and winter brings frequent snow days. Hamm Canyon is just 0.3 miles away, and Slickrock Buttress and 16Z are each about 0.6 miles off. For a longer outing, the Main Flatirons lie roughly 4 miles away.
Keep exploring — more climbs worth the drive
Photo: SymphonicPoet, CC BY 2.0 (via Flickr)County Line Boulders
~48 min drive
County Line Boulders in Colorado has 5 bouldering routes across 3 grades.
Photo: Ben B, CC BY-SA 4.0 (via Wikimedia Commons)Joe Wilson Canyon
~55 min drive
Joe Wilson Canyon in Utah has 6 trad routes spanning 3 difficulty grades.
Photo: SymphonicPoet, CC BY 2.0 (via Flickr)Sewemup Mesa
~1h 1m drive
Sewemup Mesa in Colorado has 14 traditional climbing routes across 8 difficulty grades.
Photo: Ken Lund, CC BY-SA 2.0 (via Flickr)Sunvana Wall
~1h 6m drive
Sunvana Wall in Utah offers 6 mixed and sport climbing routes across 4 difficulty grades.
Photo: Carter Pape, CC BY-SA 4.0 (via Wikimedia Commons)Mill Creek
~1h 8m drive
Mill Creek in Utah has 8 climbing routes with 7 difficulty grades, offering mixed and sport styles.
Hamm Canyon
~1 min drive
Hamm Canyon is a climbing area in Colorado with 1 route.
Slickrock Buttress
~1 min drive
Slickrock Buttress in Colorado has 5 trad routes on 3 difficulty grades.
Black Wall
~6 min drive
Black Wall in Colorado has 8 climbing routes across 6 grades, offering sport and trad options.
Main Flatirons
~7 min drive
Main Flatirons in Colorado has 8 bouldering routes across 7 grades.
Towers above The BLM Campground
~8 min drive
8-route climbing area in Colorado with sport and trad options.
