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Inside Crystal Onyx Cave
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KY caves

Kentucky cave guides

Use this hub to compare the published cave guides in Kentucky before you open a full destination page.

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Overview

Published cave guides in Kentucky

Kentucky currently has 5 published cave guides, including Crystal Onyx Cave, Diamond Caverns, and Lost River Cave.

The main launch points on this hub are Cave City, Park City, and Bowling Green.

Featured Caves

Start with these cave pages in Kentucky

These are the strongest starting points on this page.

Stop 01

Crystal Onyx Cave

Cave City, Kentucky / Spring through fall, though the cave is currently open daily through January 3, 2027 before its late-winter walk-in pause

Official Map

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Kentucky cave pages

Current cave pages in Kentucky

Showing 5 cave pages in Kentucky.

01 Inside Crystal Onyx Cave

KY / Cave City, Kentucky

Crystal Onyx Cave

Family-run Cave City show cave on Prewitts Knob with close-up formations, one-hour tours, and a more personal feel than the bigger nearby cave stops.

Best timing
Spring through fall, though the cave is currently open daily through January 3, 2027 before its late-winter walk-in pause
Drive note
Standard visits do not require reservations, but weather can shut tours down, and the official site warns drivers not to follow GPS onto US 31-W.
Official Map
02 Inside Diamond Caverns

KY / Park City, Kentucky

Diamond Caverns

Historic Park City show cave near Mammoth Cave National Park with dense drapery formations, a decorated wet-cave look, and a strenuous one-hour guided loop.

Best timing
Year-round
Drive note
Arrive with margin for a first-come departure; the half-mile tour includes about 350 stairs in a 58-degree cave.
Official Map
03 Inside Lost River Cave

KY / Bowling Green, Kentucky

Lost River Cave

Kentucky cave and river destination with guided boat tours, trails, and seasonal nature programming.

Best timing
March to November
Drive note
Check tour operations after heavy rain events before you depart.
Official Map
04 Inside Louisville Mega Cavern

KY / Louisville, Kentucky

Louisville Mega Cavern

Repurposed underground Louisville attraction in a former limestone mine with tram, walking, zip line, and ropes-course options.

Best timing
Year-round
Drive note
Book the specific attraction you want in advance and dress for 58 to 60 degree underground temperatures.
Official Map
05 Inside Mammoth Cave National Park

KY / Cave City, Kentucky

Mammoth Cave National Park

World's longest known cave system in a national park with a rotating menu of ranger-led tours instead of one standard route.

Best timing
April to October
Drive note
Tour schedules can appear only 1 to 3 months ahead, so check Recreation.gov early and do not count on walk-up tickets.
Official Map