Intermediate
2.0 (4)
Land Manager: City of Boulder Open Space and Mountain Parks
Heil Outer Loop from Corral TH
14.1 mi 22.6 km • 1,549' Up 472.24 m Up • 1,550' Down 472.41 m Down
Lyons, 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
Heil Ranch
8.9 mi 14.3 km • 982' Up 299.36 m Up • 979' Down 298.54 m Down
Lyons, 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
Marshall Mesa - Doudy Draw Loops
10.4 mi 16.8 km • 921' Up 280.63 m Up • 923' Down 281.18 m Down
Superior, CO
Spring Brook Loop
12.6 mi 20.2 km • 943' Up 287.5 m Up • 943' Down 287.41 m Down
Superior, CO
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