The best hiking trails in Boulder County

location_on Colorado · 419 Hiking Trails

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What to expect

Check out some of the best hiking, walking and backpacking routes in Boulder County, Colorado. The Devils Thumb to King Lake Loop is the most popular trail. The trails have 2 user reviews with great photos and information. There are trails of various difficulty levels including easy, medium, difficult, and extra difficult. The trail with the highest elevation climb is the Navajo Peak via Lake Isabelle and Long Lake and the trail with the least amount of climbing is the Calkins Reservoir Loop. The longest trail is the Buchanan Pass Trail at 51.0 km. For a shorter adventure you can try the Artist Point at 260 m. Get off line access to Campsite, Fastfood, Shelter, and Restaurant locations and much more with a Hiiker subscription.

Guide to hiking in Colorado

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Most popular trails