A natural wonder and treasure of the Adirondacks. Largest marble cave entrance in the east. Family owned for over 200 years. Self-guided tour, caves, waterfall, geological wonders. Guided adventure tour July and August by reservation. Snowshoe Adventure, December thru March, guided Saturday night tours features over 14 miles of 35 well marked trails; weather permitting. Snowshoe rentals available; reservations required. A Path Through History attraction.