The Colorado Mountain Club (CMC), formed in 1912, is a nonprofit, 501 (c)(3) outdoor education organization based in Golden, Colorado that gathers and disseminates information regarding Colorado's mountains in the areas of art, science, literature and recreation. The club advocates for the preservation of the alpine regions, and was instrumental in the creation of Rocky Mountain National Park. The CMC has its own press with over 30 published titles, and has continuously published Trail & Timberline magazine since 1918.