Top 6 Caves around Lons-Le-Saunier
Best caves around Lons-Le-Saunier are found within the Jura Mountains, a region characterized by a rich network of underground caverns. This area offers diverse geological formations shaped over millions of years by water. Visitors can explore various cave systems, from large show caves to smaller, more natural cavities. The landscape provides opportunities to witness the complex subterranean geology of the Jura.
Best caves around Lons-Le-Saunier
- The most popular caves is Ox Cave, a cave that features a grand entrance.…
Last updated: July 6, 2026
Ox Cave
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Grotte de Saint-Bilbalbo
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The Lodge at Maillet
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It would have sheltered a hermit.
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Entrance to Grotte de la Borne aux Cassots
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A beautiful stream, very rich in stalactite jewelry, but also
very dangerous during melting snow or long rainy days.
As a …
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View of Poligny from Trou de la Lune
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Moidons Caves
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Gouffre Gros Gadeau Cave
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Popular around Lons-Le-Saunier
GR 9 from the Jura to the Mediterranean – Crossing contrasts
Naples to North Cape — Two friends, one purpose and many scoops of ice-cream
At the foot of the medium mountain — GR 59 from the Vosges to the Jura
Discover lakes and forests – Tour du Jura
Nature, culture and gastronomy – Tour du Jura Vélo (leisure version)
Wine getaways – Jura Mountains by bike
Between beaches and forest lookouts – GRP Tour du Lac de Vouglans
Cycling and cheese – four major roads of the Jura
The thousand faces of the Jura Mountains – Grande Traversée du Jura on foot
Hike from the vineyards to the peaks of the Jura – the Jurassic Escape
Other adventures around Lons-Le-Saunier
Tips from the Community
A small but great cave - flashlight recommended.
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The grotto is currently not open! A fire completely destroyed the visitor center this spring. It is not yet known when the grotto will be open to visitors again. https://www.grottesdesmoidons.com/en/useful-information.htm
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After years of bans or restricted access, the Jura Departmental Speleology Committee reached an agreement with the municipality of Nevy-sur-Seille, and is now tenant of the cavity. The rental lease requires that the entrance be closed by an armored door, and its access reserved for clubs and individual members of the French Speleology Federation, or a foreign federation. Before any visit, to obtain the access code, you must submit a request to the C.D.S du Jura. (http://juraspeleo.ffspeleo.fr/grottes/topoguide/fiches/cassots.htm)
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This small cavity has the ceiling pierced at the beginning and at the end of the gallery. It would have sheltered a hermit.
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The entrance to this cave is perhaps one of the grandest. Its 20 meter high overhang is reminiscent of a grand palace.
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The Hole of the Moon is a cave dug in the limestone rock of the cliffs overlooking Poligny and its vineyards.
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A good 16 km of underground passages and galleries. A beautiful stream, very rich in stalactite jewelry, but also very dangerous during melting snow or long rainy days. As a result, the cave is also closed and access is only for organized cave exploration accessible.
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Frequently Asked Questions
What are the most notable caves to visit in the Lons-le-Saunier region?
The most notable caves in the Jura region are the Grottes de Baume-les-Messieurs and the Grottes des Moidons. Both offer impressive geological formations and guided tours.
Are there family-friendly caves in the Lons-le-Saunier area?
Yes, the Grottes des Moidons are particularly family-friendly. They feature a 'bat area' with a labyrinth for children, and parts of the cave are accessible with strollers or wheelchairs due to a new gallery.
What kind of geological formations can I expect to see in the caves?
The caves in the Lons-le-Saunier region, such as the Grottes de Baume-les-Messieurs and Grottes des Moidons, are renowned for their spectacular stalactites, stalagmites, columns, and underground rivers and lakes. You can also see unique features like the Tufs waterfall emerging from Baume-les-Messieurs.
How long do cave tours typically last in the Lons-le-Saunier region?
Guided tours at the main show caves, like the Grottes de Baume-les-Messieurs and Grottes des Moidons, generally last around 50 to 55 minutes.
What should I wear when visiting the caves?
The temperature inside the caves, such as the Grottes des Moidons, remains a cool +10°C (50°F) year-round. Warm clothing is highly recommended, even during summer months.
Are there any caves that are particularly challenging to explore?
Some caves, like Grotte de Saint-Bilbalbo and Entrance to Grotte de la Borne aux Cassots, are categorized as challenging. For these, a flashlight is often recommended, and they may involve more rugged terrain.
What are some unique features of the <a href="https://www.komoot.com/highlight/4611361" target="_blank" rel="noopener">Grottes des Moidons</a>?
The Grottes des Moidons are notable for their sound and light show that enhances the water basins and formations. They are also one of the only caves in the Jura Mountains to be lit by solar power, showcasing an eco-friendly approach.
Can I find any historical or cultural sites within or near the caves?
Yes, some caves have historical significance. For instance, The Lodge at Maillet is a small cavity that is believed to have sheltered a hermit. The View of Poligny from Trou de la Lune is a cave where prehistoric artifacts have been excavated.
Are there hiking trails near the caves around Lons-le-Saunier?
Yes, the region offers numerous hiking opportunities. You can find trails like the 'Tour of the Baume Reculée' or 'La Source de l'Ain — loop by Doye' near the caves. For more options, explore the Hiking around Lons-Le-Saunier guide.
What makes the <a href="https://www.komoot.com/highlight/851884" target="_blank" rel="noopener">Grottes de Baume-les-Messieurs</a> special?
The Grottes de Baume-les-Messieurs are considered among the most beautiful caves in France, located 120 meters underground in a picturesque 'reculée'. They feature a 71-meter high vertical underground cave with exceptional acoustics and a new lighting scheme that highlights the geological features.
Are there any caves that are currently closed or inaccessible?
The Grottes des Planches, once a significant site in the Jura, have been closed for security reasons for over a decade and are unlikely to reopen.
What kind of wildlife can be found in the caves of the Jura region?
The caves are home to unique inhabitants adapted to the subterranean environment. For example, the Grottes de Baume-les-Messieurs are known for bats and blind shrimp.
What other outdoor activities can I combine with a cave visit in the Lons-le-Saunier area?
Beyond caving, the region offers various outdoor activities. You can find numerous hiking routes, including easy options like the 'GR 59 - Baume-les-Messieurs loop from Cascades des Tufs' near the caves. For more ideas, check out the Easy hikes around Lons-Le-Saunier guide or the Running Trails around Lons-Le-Saunier guide.
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