Alabaster Caverns State Park
Oklahoma State Park; World'S Largest Publicly Accessible Natural Gypsum Cave · Freedom, Oklahoma
A state park built around the largest natural gypsum cave in the world open to the public, and the only gypsum show cave in the United States, in the red-dirt canyon country of north-western Oklahoma. A guided walk of about three-quarters of a mile leads through a cavern cut by Cedar Creek through beds of alabaster, white and pink gypsum and rare black alabaster found in only a few places on earth. Tours leave promptly on the hour from 9 AM to 4 PM every day of the year, last about 45 minutes, are capped at thirty people and stay near 55°F. Five species of bat roost here, and a January 2024 census counted about 12,000 of them. Above ground, trails run through Cedar Canyon past four wild caves that experienced cavers may enter with a free permit, though no permits are issued from 1 October to 30 April while the bats hibernate. There is no parking pass at this park.
217036 State Highway 50A, Freedom, Oklahoma, 73842, United States
Park open daily 8 AM-4:30 PM. Guided cave tours leave on the hour, 9 AM-4 PM, every day of the year, 45 minutes, maximum thirty people. Lantern tours on the first and third Saturdays in summer. Wild caving permits are not issued 1 October-30 April (check travelok.com or call 580-254-6085).
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