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Difficult
“A fun doubletrack with optional lines and expansive views. ”
1.5
Miles2.4
KMDoubletrack
Difficult
Doubletrack
Difficult
Land Manager: USFS - Boulder Ranger District Office
North Boulder Loop
8.3 mi 13.4 km • 372' Up 113.47 m Up • 371' Down 113.22 m Down
Boulder, CO
Betasso Preserve
7.1 mi 11.5 km • 768' Up 234.03 m Up • 759' Down 231.27 m Down
Boulder, CO
Hall Ranch
11.8 mi 18.9 km • 1,750' Up 533.54 m Up • 1,750' Down 533.51 m Down
Lyons, CO
Chapman Drive Out-And-Back
11.2 mi 18.1 km • 1,330' Up 405.46 m Up • 1,330' Down 405.44 m Down
Boulder, CO
Hall Ranch Intermediate Loop
10.5 mi 16.9 km • 1,271' Up 387.32 m Up • 1,271' Down 387.29 m Down
Lyons, 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
Unknown
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