"Adirondack Architectural Heritage (AARCH) is the nonprofit historic preservation organization for New York State's Adirondack Park. AARCH was formed in 1990 with a mission to promote better public understanding, appreciation and stewardship of the Adirondack's unique and diverse architectural heritage." AARCH focuses not only on the most famous architectural pieces in the region, such as the "Great Camps," but also on historic structures that cover the general history of people in the Adirondack Region.

The organization offers area guided tours, workshops, slide presentations, and outreach programs for students. The website offers historical information about AARCH, information about key preservation sites, including Adirondack fire towers and the White Pine Camp, a listing of publications for sale, an archive of past newsletters, an events calendar, and preservation resources.