Gouffre Lépineux, Pit cave system in Pyrénées-Atlantiques, France
The Gouffre Lépineux features a network of underground passages extending over 87 kilometers through limestone formations near the Franco-Spanish border at elevations between 1500 and 2100 meters.
Georges Lépineux discovered the entrance shaft in 1950, leading to subsequent explorations that revealed a 320-meter vertical descent into an extensive underground network.
The cave system holds substantial research value for international speleologists, leading to the formation of the Association for International Speleological Research of La Pierre Saint-Martin.
Visitors can access the cave through guided tours that began in 2010, following the installation of safety infrastructure and the construction of water capture systems.
The system contains the Salle de la Verna chamber, measuring 255 by 245 by 194 meters, which houses an underground river used for hydroelectric power generation.
Location: Arette
Location: Pyrénées-Atlantiques
Location: Navarre
GPS coordinates: 42.96778,-0.76917
Latest update: June 23, 2025 09:41
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