Grotte de la Cigalère et Gouffre Martel, Limestone cave system in Sentein, France
The cave network stretches through 25,584 meters of underground passages, including 21,540 meters for Cigalère Cave and 4,044 meters for Martel Chasm.
Norbert Casteret discovered the cave entrance in 1932 while investigating a mountain stream, leading to extensive explorations of this underground system.
The Association de Recherches Spéléologiques du Haut-Lez manages the site since 1969, conducting research and maintaining the geological heritage.
Access to the cave requires prior contact with the Association de Recherche Souterraine du Haut Lez and adherence to specific safety protocols.
The cave features the Seventh Heaven section, containing the largest collection of gypsum formations found in any French cave system.
Location: Sentein
GPS coordinates: 42.82694,0.90722
Latest update: March 3, 2025 12:18
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