Difficult
3.5 (6)
Land Manager: City of Boulder Open Space and Mountain Parks
Walker Ranch, Ethel Harrold, and Canyon Falls
3.5 mi 5.7 km • 583' Up 177.57 m Up • 583' Down 177.57 m Down
Coal Creek, CO
Walker Ranch
8.0 mi 12.9 km • 1,527' Up 465.57 m Up • 1,523' Down 464.22 m Down
Coal Creek, CO
South Mesa Loop
3.1 mi 5.0 km • 508' Up 154.7 m Up • 507' Down 154.43 m Down
Superior, CO
Spring Brook / Goshawk Double Loop
8.3 mi 13.3 km • 1,065' Up 324.5 m Up • 1,065' Down 324.47 m Down
Superior, CO
Flagstaff Summit Loop
2.4 mi 3.9 km • 346' Up 105.4 m Up • 337' Down 102.81 m Down
Boulder, CO
Second-Third Flatiron Mesa Loop
2.3 mi 3.7 km • 704' Up 214.66 m Up • 700' Down 213.44 m Down
Boulder, CO
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