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Onyx Cave, discovered in 1971, was opened for tours in 1973. It is a wet cave where underground water is actively creating beautiful formations for guests to view. Stalactites, stalagmites, columns, flowstone, cave coral, and layered mineral deposits known as “cave bacon” can all be found here. Onyx Cave is open year-round and is a comfortable 60 degrees at all times. The tour lasts approximately 30 minutes and is an easy walk for tourists of all ages. Next door is the Onyx Cave rock shop where visitors can purchases rocks, fossils, and books.

Address: 93 Huckleberry Knob Road, Cave City, KY 42127, Phone: 270-773-2323

Tour Onyx Cave
© Onyx Cave

Rating: ⭐⭐⭐⭐⭐

Admire rock formations in Diamond Caverns See life-sized dinosaur replica statues at Dinosaur World Kentucky Tour Onyx Cave Learn about local geology at Hidden River Cave and American Cave Museum Go horseback riding in Mammoth Valley Park See animals at Kentucky Down Under Adventure Zoo View taxidermy animals at the Mammoth City Wildlife Museum Go on an adventure with Green River Canoeing Sign up for Mammoth Cave Adventures Book a trip with Mammoth Cave Canoe and Kayak Shop for crystals at Big Mike's Rock and Gift Shop Test your skills at Raven's Cross Escape Games Enjoy lake views from Karst Beach

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