Longmont Reservoir Area (aka Buttonrock)
Longmont Reservoir Area (aka Buttonrock) in Colorado has 16 climbing routes across 12 difficulty grades.
- 16 routes
- 5.3 – 5.13b
- Bouldering · Sport · Mixed
Best time to visit Longmont Reservoir Area (aka Buttonrock)
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.
Jan
47° / 21°
6 wet
Feb
48° / 22°
7 wet
Mar
57° / 29°
8 wet
Apr
63° / 34°
10 wet
May
71° / 43°
12 wet
Jun
83° / 51°
10 wet
Jul
88° / 57°
11 wet
Aug
86° / 55°
10 wet
Sep
79° / 48°
8 wet
Oct
66° / 37°
7 wet
Nov
54° / 28°
6 wet
Dec
46° / 21°
6 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Boulder, CO, 17 mi away at 5,484 ft. The station sits about 800 ft lower than this place, so expect it a little cooler here. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Longmont Reservoir Area, also known as Buttonrock, is a climbing area on Colorado state land managed by the State Land Board, about 17 miles from Boulder. It sits among a cluster of climbing spots, hiking trails and a mountain biking route, making it a compact base for a day of rock and trail. The most comfortable months for a visit are typically late spring and early fall. Typical averages from a nearby weather station in Boulder show May highs around 71°F and September highs around 79°F, with July peaking near 88°F. River Wall II is about 0.3 miles away and Lion's Den, The about 0.5 miles. The Night Hawk Trail and Sleepy Lion Trail are both within a mile.
Routes (16)
Entryway Slabs(4)
Fraternal Twins Boulder(4)
Old Yellar Dome(4)
Tigers in Lipstick(1)
Keep exploring — more climbs worth the drive
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