The Adirondack Mountain Club (ADK) is a non-profit organization dedicated to "the protection and responsible recreational use of the New York State Forest Preserve, and other parks, wild lands, and waterways." Founded in 1922, ADK is a member-driven organization with over 28,000 members in 27 chapters across the state of New York. ADK employs a balanced approach of outdoor recreation, environmental stewardship, and natural resource conservation. The Adirondack Mountain Club supports Nature Up North by providing environmental education training for project coordinators and interns and helping to actively publicize and promote participation in Nature Up North.