“The original Betasso loop - a short but entertaining loop close to Boulder. ”
3.3
Miles5.3
KMSingletrack
Local Club: Boulder Mountainbike Alliance
Oct 23, 2026: Hidden Valley and Degge trails are officially open to bikes!
Oct 20, 2026: Boulder County Commissioners Designate Trail Through Tucker Complex
Oct 15, 2026: South Boulder Trail Connection: What Happened at OSBT and What’s Next
Land Manager: Boulder County, CO - Parks and Open Space
16.3 mi 26.2 km • 1,788' Up 545.03 m Up • 1,788' Down 544.87 m Down
10.1 mi 16.3 km • 2,101' Up 640.44 m Up • 2,101' Down 640.24 m Down
15.7 mi 25.2 km • 933' Up 284.36 m Up • 929' Down 283.21 m Down
8.9 mi 14.3 km • 982' Up 299.36 m Up • 979' Down 298.54 m Down
34.1 mi 54.9 km • 3,648' Up 1111.87 m Up • 3,648' Down 1111.94 m Down
18.8 mi 30.3 km • 1,068' Up 325.44 m Up • 1,066' Down 324.88 m Down
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