Crystal Onyx Cave

Cave City, KY

58°F

inside, all year

175

steps on the tour

1 hr

on the main tour

$18.99

adult ticket

A cave on Prewitts Knob Road in Cave City with one-hour, half-mile guided tours at 58°F.

The story

Crystal Onyx Cave was discovered in 1960 by Cleon Turner at Prewitts Knob, near Cave City. Stairs, paths and bridges replaced the difficult first descent, and the cave opened for tours in 1965. It closed in 2009; Scott and Sara Sendtko later bought it and began rebuilding the steps, railings and lighting in 2014.

Found: 1960
Open to visitors since: 1965

History source: crystalonyxcaveky.com.

What you'll see

The alligator's mouth
The guardian angel
The pelican
Goliath formation
The Imagination Room
Great Room
Great Scott room
Wedding Chapel

Tickets and timing

Adults: $18.99 Adults Ages 13 – 64
Kids: $13.99 Children Ages 4 – 12
How long it takes: About 1 hour
Hours: Daily through January 3, 2027; January 4–February 28, 2027 private tours only.
Booking: Call (270) 773-3377.

Getting around underground

The walk: Half a mile with 175 steps spread through the cave.
Wheelchairs: Not handicap accessible

Dogs, weather and what to wear

Dogs: No pets except for properly trained service dogs. Be aware there is grating throughout the cave.
Temperature: 58°F / 14.5°C

Good to know

Best time to go: Open daily through January 3, 2027; closed to walk-ins Jan. 4, 2027 through Feb. 28, 2027 (private tours only). No tours if snow or ice on ground.
Photos: No tripods or selfie sticks. Many photo opportunities but no cell service in the cave; recommend airplane mode, auto flash, fully charged phones.
Food and drink: No food, drinks, gum, tobacco products or vaping in the cave.
On site: Gift Shop