Best Caves for Wild Swimming
Cave swimming sits in the overlap of geology and outdoor swimming — the water is usually cold, sometimes deep, often spectacularly clear. The selection below is for snorkel-and-mask swimmers, not divers.
Cenote Ik Kil, Mexico
The most famous cenote — vertical-sided, with tree roots hanging into the water. Steps and platforms; lifejackets compulsory for non-strong swimmers.
Pratinha and Lagoa Encantada, Brazil
Crystal-clear water in the Chapada Diamantina cave-pools — sunlight through openings turns the bottom electric blue.
Hamilton Pool, Texas USA
A collapsed grotto with waterfall and natural swimming hole; reservation-only, limited daily numbers.
Pamukkale Cleopatra Pool, Turkey
Warm spring pool with submerged Roman columns — historic and modern at once.
Krizna Jama, Slovenia
Boat-only access keeps swimmers out of the cave lakes themselves, but the entrance pool is swimable in summer with permission.
Hinagdanan Cave, Philippines
Small but photogenic — sunlight through two ceiling openings illuminates a swimmable lagoon.
Maya Underwater Caves, Yucatan
Snorkel tours of the cenote complexes around Tulum — Cenote Azul, Casa Cenote, Gran Cenote are all good entry points.
Safety considerations
Cave-water temperatures are typically 18-22°C in tropical caves, 8-15°C in temperate ones. Always check for current, depth, and visibility before entering. Many cave pools have hidden ledges and underwater obstacles; mask + fins recommended.
Gear
Quick-dry swimwear, a thin neoprene shorty for temperate caves, mask and snorkel for clarity, water shoes for limestone floors.
From reading to planning
See every swimmable cave on the interactive map.