“A rowdy, rocky descent and an alternate line to North Sourdough. ”
2.3
Miles3.7
KMSingletrack
Local Club: Boulder Mountainbike Alliance
Sep 29, 2026: Where Boulder’s 2026 Candidates Stand on Bike Issues
Sep 23, 2026: More Voices at the Table: BMA Supports Ballot Question 200
Sep 2, 2026: What Do You Want to Ask Boulder’s Candidates?
Land Manager: USFS - Boulder Ranger District Office
26.7 mi 43.0 km • 2,883' Up 878.83 m Up • 2,899' Down 883.5 m Down
6.2 mi 9.9 km • 897' Up 273.36 m Up • 897' Down 273.36 m Down
69.6 mi 112.0 km • 8,965' Up 2732.51 m Up • 11,815' Down 3601.28 m Down
5.8 mi 9.3 km • 789' Up 240.44 m Up • 793' Down 241.57 m Down
10.3 mi 16.6 km • 825' Up 251.57 m Up • 825' Down 251.49 m Down
10.1 mi 16.3 km • 2,101' Up 640.44 m Up • 2,101' Down 640.24 m Down
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