Difficult
3.6 (10)
Land Manager: USFS - Boulder Ranger District Office
Sugarloaf to Gordon Gulch Loop
13.5 mi 21.7 km • 1,590' Up 484.64 m Up • 1,607' Down 489.88 m Down
Boulder, CO
South Saint Vrain Figure 8
16.3 mi 26.2 km • 2,072' Up 631.58 m Up • 2,086' Down 635.74 m Down
Nederland, CO
Switzerland Trail Gold Hill Road Loop
25.3 mi 40.7 km • 1,949' Up 593.94 m Up • 1,948' Down 593.78 m Down
Nederland, CO
North Sourdough and St. Vrain Loop
5.4 mi 8.7 km • 641' Up 195.34 m Up • 650' Down 198.23 m Down
Nederland, CO
Coney Buchanan Loop
11.6 mi 18.6 km • 1,467' Up 447.04 m Up • 1,474' Down 449.26 m Down
Nederland, CO
Betasso Preserve
7.1 mi 11.5 km • 768' Up 234.03 m Up • 759' Down 231.27 m Down
Boulder, CO
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