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Sourdough Trail Colorado

Sourdough Trail

Hard-difficulty Trail
  • 11.20 mi · 1,797 ft · 2 hrs 30 mins
Sourdough Trail is a 11.2 mile lightly trafficked out and back trail located near Boulder, Colorado that features a river and is rated as difficult. The trail offers a number of activity options and… 
Data from: Trails · AllTrails