Intermediate/Difficult
3.0 (3)
Ceran St. Vrain to Miller Rock
6.2 mi 9.9 km • 897' Up 273.36 m Up • 897' Down 273.36 m Down
Nederland, 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
North Sourdough and St. Vrain Loop
5.4 mi 8.7 km • 641' Up 195.34 m Up • 650' Down 198.23 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
North Boulder Loop
8.3 mi 13.4 km • 372' Up 113.47 m Up • 371' Down 113.22 m Down
Boulder, CO
Pole Hill Road
4.3 mi 6.9 km • 704' Up 214.73 m Up • 572' Down 174.2 m Down
Estes Park, CO
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