John Boyd Thacher State Park

Address 830 Thacher Park Rd.
Voorheesville, NY 12186
Phone (518) 872-1237
Website Click Here
Hours park year round, 8 am-sunset; Indian Ladder Trail 5/1-11/15
Themes Natural History
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The park is situated along the Helderberg Escarpment, one of the richest fossil-bearing formations in the world. With over 12 miles of trails and six miles of limestone cliff-face, rock-strewn slopes, woodland and open fields, the park provides a marvelous panorama of the Hudson-Mohawk Valley and the Adirondack and Green Mountains. Interpretive programs are offered year round, including guided tours of the famous Indian Ladder Trail.


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  • Sites Dates Hours: park year round, 8 am-sunset; Indian Ladder Trail 5/1-11/15


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