Best caves around Pont-Les-Moulins are found within the Doubs department and the broader Franche-Comté region of France. This area is characterized by its karst landscapes, featuring numerous subterranean formations and river valleys. While Pont-Les-Moulins itself is a small commune, the surrounding vicinity offers diverse cave experiences. These range from easily accessible grottoes to challenging speleological sites.
Last updated: May 11, 2026
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The green spring or the Cuse is located on the left side of the river at approximately the same height as the blue spring. This is the true source of Cusancin. The upper gallery of the cave was walled with dry stones.
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Cannot be reached directly from the cycle path.
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After a small barrier and a small climb comes a nice point to rest. Attention, it is not recognizable at first glance. Behind the bush is a very small path.
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High grotto with wonderful limescale deposits - accessible via a metal ladder even without equipment. The grotto does not lead deep into the rock, the daylight is sufficient, you do not need a flashlight. It is freely accessible to everyone.
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On the other side of the train tracks up the hill are the wild undeveloped karst caves of Fourbanne, a dream for fans of speleology. Bring good light, rugged cloths, and wear your helmet (you're biking, so you have a helmet!). https://inpn.mnhn.fr/zone/znieff/430013670 See video https://www.youtube.com/watch?v=7nxTiEY92I8
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The cave is listed as a real classic among speleologists. Through a very small shaft entrance of just 30 x 50 cm. you have to abseil about 7 meters ... Then the next 18 meter deep shaft. A final climbing step, about 5 meters lower, ends in an impressive and large hall with beautiful stalactite columns.
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For a unique experience, consider the Grotte Sous Buen, a natural monument featuring high grottoes with impressive limescale deposits. It's easily accessible via a metal ladder, and daylight is sufficient for exploration without a flashlight. Another unique site is the Grotte-chapelle de Remonot, a Catholic place of worship housed within a cave, known for its historical and religious significance since the 8th century.
Yes, the region offers several challenging options for experienced speleologists. The Grotte du Petit Siblot is considered a classic, featuring a very small entrance leading to an 18-meter deep shaft and an impressive hall with stalactite columns. Another option is Fourbanne Cave, a wild, undeveloped karst cave system appealing to those interested in raw speleology.
The Grotte de la Glacière in Chaux-lès-Passavant holds significant historical value, with evidence of human occupation since the Bronze Age and its past use as a natural refrigerator. The Grotte de la Baume de Gonvillars is another rich archaeological site, where excavations have uncovered evidence of Paleolithic hunters and Neolithic families, along with extensive underground networks.
The Grotte Sous Buen is generally considered family-friendly due to its easy accessibility via a metal ladder and sufficient natural light. For a more structured visit, the Grotte de la Glacière offers arranged pathways with stairs and belvederes, making it easier to explore its geological and historical features through guided tours.
You can expect to see impressive limestone concretions and formations, such as those found in the Grotte Sous Buen and the Grotte du Petit Siblot with its stalactite columns. The Grotte de la Glacière, despite diminished ice, still offers a glimpse into its unique natural phenomenon and houses a collection of minerals and fossils, including rare ones like fossilized turtles and mammoth tooth prints.
Yes, the region offers caves with scenic viewpoints. The View of the Loue River from the Cave provides a nice resting point with a view after a small climb. Additionally, the Grotte-chapelle de Remonot is uniquely situated in a cliff face above the Doubs river, offering a picturesque setting.
The area around Pont-Les-Moulins is excellent for various outdoor activities. You can find numerous hiking trails, including routes like the 'Croix de Châtard Loop' or 'Roche de Chatard Viewpoint'. For cyclists, there are options for cycling and gravel biking, such as the 'Baume-les-Dames and Hyèvre-Paroisse Loop' or 'Back to sources'.
Yes, the Grotte de la Baume de Gonvillars is part of a regional nature reserve dedicated to the protection of bats. This cave is a crucial habitat, with 13 species of bats identified using its cavities throughout the year for hibernation, transit, and breeding.
Visitors appreciate the diversity of experiences, from easily accessible grottoes to challenging speleological sites. The natural beauty of the limestone formations, the historical and archaeological significance of certain sites, and the unique settings like the cave chapel are frequently highlighted. The komoot community has shown its appreciation with 12 upvotes and 11 photos shared for the caves around Pont-Les-Moulins.
For some caves like the Grotte Sous Buen, daylight is sufficient, and no special equipment is needed beyond comfortable clothing. However, for challenging speleological sites like the Grotte du Petit Siblot or Fourbanne Cave, specific caving equipment, including good lighting, rugged clothing, and a helmet, is essential due to deep shafts and undeveloped conditions.
Yes, the Grotte-chapelle de Remonot near Les Combes is a unique Catholic place of worship. It has served as a hermitage since at least the 8th century and was transformed into a chapel in the 17th century. It remains a pilgrimage site dedicated to the Virgin Mary, especially on August 15th, and features an altar with a 15th-century statue.


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