“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
16.3 mi 26.2 km • 2,072' Up 631.58 m Up • 2,086' Down 635.74 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
18.1 mi 29.1 km • 2,135' Up 650.8 m Up • 2,136' Down 650.93 m Down
14.1 mi 22.6 km • 1,549' Up 472.24 m Up • 1,550' Down 472.41 m Down
8.3 mi 13.4 km • 372' Up 113.47 m Up • 371' Down 113.22 m Down
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