Kim L.
7/8/2025
We goofed and forgot to book our Mammoth Cave tickets - but never fear - Crystal Onyx Cave to the rescue. This was a wonderful tour that took about 1 hour. We really appreciated the easy going...
Crystal Onyx Cave
Closed
(106)
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425 Prewitts Knob Rd
Cave City, KY 42127
Open 7 days a week 10am to 6pm. Last tour leaves at 6pm. CRYSTAL ONYX Cave is one of Kentucky's premier show caves with beautiful formations throughout. Tour group sizes are small, with a slow pace. The steps, trails, handrails & lighting have recently been renovated. NOTE: Their is another local cave using a similar name, we are CRYSTAL ONYX Cave, est 1960. We are family owned & operated with a laid back approach & unscripted tours. We allow plenty of time to take pictures, relax & enjoy our formation filled cave. NO reservations needed, 1 hour tours on approx. 35 minute departures. Seasonal open everyday March- December 31st. Check out our website for off season tour availability & other useful information. Just 2 miles east of interstate 65 on Hwy 90 to Prewitts Knob Road.
Reviews
5.0106 reviews
Beth G.
6/28/2025
Favorite cave experience in the area! The cave is beautiful and impressive, but the tour guide (male) made the experience not one to miss. He was knowledgeable, funny, warm, and projected loudly...
Mary M.
5/7/2025
Unbelievable combination of Natural beauty and oddity...welded structure s on site full of curiosity, ET-like characters,a dolphin up in a tree, a mermaid in the woods...
Jennifer W.
10/4/2024
Charolay was a very educational & informative tour guide! I highly recommend the Crystal Onyx Cave in Cave City, KY! You won't be Disappointed! Spectacular views & great geographical knowledge &...
John D.
9/16/2023
Cave New World Discovered in 1960, Crystal Onyx Cave opened in 1965 as a tourist destination before falling into disrepair and closing in 2009. Fortunately, it was soon bought up in 2010 by new...
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