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.
