New York, US The ADK The Adirondack region is a 6-million-acre protected wilderness in northeastern New York, featuring over 100 mountain peaks and 3,000 lakes. Mount Marcy, ADK, NY Buck Mountain, ADK, NY State Parks Robert G. Wehle Robert H Treman Buttermilk Falls Stony Brook Letchworth Green Lakes Watkins Glen Clark Reservation Fillmore Glen Other Locations Roy H Park Preserve Danby State Forest Labrador Hollow IBM Glen The Gully Nature Preserve Grimes Glen Guppy Falls Sweedler Preserve Conklins Gully Carpenter Falls & Bahar Preserve Wesley Hill Nature Preserve