Saltpetre Caves Nature Preserve
Known for nearly two centuries as Saltpetre Caves, these natural formations stood out as a well-known geological wonder, not only to the European settlers who came to the area, but also to the Native Americans who frequented the Hocking Hills as a hunting ground.
These caves have evolved as a series of recesses which are typical of the Hocking Hills region. A couple of the caves range from 124 to 143 feet deep, with 8 foot ceilings and openings 125 feet wide. One cave includes a natural arch with an opening of 100 feet. Hemlock, birch and tulip trees grow around the caves, and the view of the valley below is stunning.Saltpetre Caves State Nature Preserve is open to the public by permit only. We will attempt to have permits available for our guests, but to ensure you will have them as needed, please arrange for permits for your party by calling the ODNR Division of Natural Areas & Preserves at 614-265-6453, or by visiting their website.


