“The first half of the Spring Brook Loop if riding clockwise - a rocky climb leading into the forest. ”
1.1
Miles1.8
KMSingletrack
Local Club: Boulder Mountainbike Alliance
Aug 10, 2026: Conservation and Trail Access Can Coexist in South Boulder
Jul 29, 2026: First North Foothills Reroute Segment is open
Jul 29, 2026: Boulder County Is Taking a Bigger-Picture Approach to Open Space Planning
Land Manager: Boulder County, CO - Parks and Open Space
12.6 mi 20.2 km • 943' Up 287.5 m Up • 943' Down 287.41 m Down
15.7 mi 25.2 km • 933' Up 284.36 m Up • 929' Down 283.21 m Down
2.0 mi 3.2 km • 78' Up 23.73 m Up • 79' Down 24 m Down
13.6 mi 21.9 km • 2,799' Up 852.99 m Up • 2,800' Down 853.29 m Down
9.4 mi 15.1 km • 965' Up 294.03 m Up • 970' Down 295.61 m Down
15.4 mi 24.8 km • 1,136' Up 346.19 m Up • 1,136' Down 346.21 m Down
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