Grotte Célestine, Underground cave system in Rauzan, France.
The limestone corridors of Grotte Célestine extend over 2.5 kilometers, featuring stalactites, stalagmites, and calcite formations along an underground river path.
In 1845, a seed merchant discovered the cave system while digging a well, revealing an ancient underground river that had flowed through limestone for thousands of years.
The cave system serves as an educational center where visitors learn about geological processes and underground water systems through guided exploration tours.
Visitors receive helmets, rubber boots, and headlamps for the one-hour tour, which requires advance booking and maintains a constant temperature of 14 degrees Celsius.
Grotte Célestine contains the sole developed underground river in the Gironde region, allowing visitors to walk along its riverbed at 13 meters below ground level.
Location: Rauzan
GPS coordinates: 44.77725,-0.12568
Latest update: June 23, 2025 09:57
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