Source du Pontet, Cave entrance in Mouthier-Haute-Pierre, France.
The Source du Pontet features a central portal entrance located 40 meters above ground level, accessible through an installed iron ladder system.
The cave system contains geological formations that document natural processes spanning thousands of years through its limestone deposits and water channels.
Local speleologists regularly study this cave system to understand the complex underground water networks of the Bourgogne-Franche-Comté region.
Visitors need specialized equipment and experience to navigate the cave's technical passages, which extend approximately 100 meters from the central entrance.
The cave includes three distinct entrance points, with the lowest entrance submerged by water and characterized by narrow siphons.
Location: Mouthier-Haute-Pierre
GPS coordinates: 47.02857,6.28869
Latest update: June 23, 2025 14:56
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