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Very Difficult
“Tons of drops and gully wall riding. ”
0.3
Miles0.5
KMSingletrack
Very Difficult
Singletrack
Very Difficult
Land Manager: USFS - Boulder Ranger District Office
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
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
Super Betasso
16.3 mi 26.2 km • 1,788' Up 545.03 m Up • 1,788' Down 544.87 m Down
Boulder, CO
Gunbarrel to Niwot: Cottontail Trail - Niwot Loop - LoBo Trail
15.9 mi 25.5 km • 496' Up 151.09 m Up • 567' Down 172.87 m Down
Gunbarrel, 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
Hall Ranch Full Loop
12.0 mi 19.3 km • 1,560' Up 475.46 m Up • 1,560' Down 475.45 m Down
Lyons, CO
Unknown
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