Easy/Intermediate
2.3 (3)
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: USFS - Boulder Ranger District Office
West Mag to Eldora and Back
18.1 mi 29.1 km • 2,135' Up 650.8 m Up • 2,136' Down 650.93 m Down
Nederland, CO
The Cougar Slayer
69.6 mi 112.0 km • 8,965' Up 2732.51 m Up • 11,815' Down 3601.28 m Down
Nederland, CO
Sherwood From Nederland
5.8 mi 9.3 km • 789' Up 240.44 m Up • 793' Down 241.57 m Down
Nederland, CO
Rhythm & Blues
10.3 mi 16.6 km • 825' Up 251.57 m Up • 825' Down 251.49 m Down
Nederland, CO
Switzerland Trail Gold Hill Road Loop
25.3 mi 40.7 km • 1,949' Up 593.94 m Up • 1,948' Down 593.78 m Down
Nederland, CO
Walker Ranch
7.8 mi 12.6 km • 1,516' Up 462.02 m Up • 1,510' Down 460.32 m Down
Coal Creek, CO
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