Intermediate/Difficult
4.1 (8)
Local Club: Boulder Mountainbike Alliance
Aug 1, 2023: Horsing Around with BCHA
Jul 27, 2023: North Sky Progress
Jul 14, 2023: What’s the deal with the USFS and e-bikes?
Land Manager: USFS - Boulder Ranger District Office
South Saint Vrain Figure 8
16.3 mi 26.2 km • 2,072' Up 631.58 m Up • 2,086' Down 635.74 m Down
Nederland, CO
Heil to Picture to Hall and Back
32.8 mi 52.8 km • 3,665' Up 1117.13 m Up • 3,667' Down 1117.56 m Down
Lyons, CO
North Boulder Loop
8.3 mi 13.4 km • 372' Up 113.47 m Up • 371' Down 113.22 m Down
Boulder, CO
Sherwood From Nederland
5.8 mi 9.3 km • 789' Up 240.44 m Up • 793' Down 241.57 m Down
Nederland, CO
Indian Peaks Traverse (IPT)
71.3 mi 114.8 km • 9,126' Up 2781.51 m Up • 5,767' Down 1757.86 m Down
Boulder, CO
West Magnolia: Winter Fat Bike Groomed Loop
4.6 mi 7.4 km • 253' Up 77.21 m Up • 255' Down 77.66 m Down
Nederland, CO
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