Easy/Intermediate
3.8 (4)
Local Club: Boulder Mountainbike Alliance
Nov 17, 2025: Trail Update: South St Vrain
Nov 14, 2025: Another Step Closer to new Betasso Connector
Oct 24, 2025: Boulder County Moves One Step Closer to a Safer Boulder-to-Betasso Connection
Land Manager: City of Boulder, Colorado - Parks and Recreation
Valmont Bike Park - Singletrack Hotlap
2.0 mi 3.2 km • 78' Up 23.73 m Up • 79' Down 24 m Down
Boulder, CO
North Boulder Loop
8.3 mi 13.4 km • 372' Up 113.47 m Up • 371' Down 113.22 m Down
Boulder, CO
Dirty Bismark
15.7 mi 25.2 km • 933' Up 284.36 m Up • 929' Down 283.21 m Down
Superior, CO
Gunbarrel to Niwot: Cottontail Trail - Niwot Loop - LoBo Trail
15.9 mi 25.5 km • 496' Up 151.09 m Up • 567' Down 172.87 m Down
Gunbarrel, CO
Down and Dirty
18.8 mi 30.3 km • 1,068' Up 325.44 m Up • 1,066' Down 324.88 m Down
Superior, CO
Heil to Picture to Hall and Back
34.1 mi 54.9 km • 3,648' Up 1111.87 m Up • 3,648' Down 1111.94 m Down
Lyons, CO
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