Best caves around Saint-Martin-En-Bière are primarily found within the broader natural landscape surrounding this rural commune, particularly near the Fontainebleau forest. While Saint-Martin-En-Bière itself is not known for prominent geological cave formations, the region offers various rock shelters and natural monuments. The area's appeal lies in its rural character and proximity to significant natural areas.
Last updated: July 5, 2026
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The mouse cave is a Milly classic that all children know. It is a large cavity about 20 meters long, where you cannot stand up. It is even possible to exit through a narrow passage.
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I do believe this is an excellent website. I stumbled upon it I may revisit once again since I saved as a favorite it. https://www-sunpass.com
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The photo is not the Adam Solomon cave but that of the Troubetzkoï family shelter The cave is photo 6
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Small cave in the woods, with engravings, in homage to Samuel Adam-Salomon - French sculptor of the 19th Century who spent most of his life in Fontainebleau. His works are mainly exhibited at the Musée d'Orsay, the Invalides and the Chateau de Versailles.
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The cave of the oath is quite surprising, especially because the vault is made of a single rock. The letters D.F.D were engraved on the cave by Denecourt himself and mean "Last Madness Denecourt".
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It is a shelter dug into the rock near the Croix du Calvaire. It is a perfect place to stop and refuel. The setting is impressive!
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The Oath Cave is quite surprising, especially because the vault is made of a single rock. The letters D.F.D were engraved on the cave by Denecourt himself and mean "Last Folie Denecourt".
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Marked with a "C", the Biche Blanche cave was designed by Denecourt himself to arouse the curiosity of hikers. There are many inscriptions historically associated with the farriers who looked after the horses of the military regiments around 1878.
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The 'caves' around Saint-Martin-En-Bière are primarily natural rock shelters and unique geological formations, often found within the broader Fontainebleau forest area. They are not typically deep, extensive cave systems but rather interesting natural monuments and historical sites.
Yes, several shelters have historical significance. For example, the Troubetzkoï Family Shelter features engravings and pays homage to 19th-century sculptor Samuel Adam-Salomon. The White Doe Cave, marked with a 'C' by Denecourt, contains inscriptions associated with farriers from around 1878.
The Druids' Den is a great option for families. It's a vast rock shelter within the Fontainebleau forest where children often enjoy exploring and hiding.
The Grotte du Serment is notable for its vault made of a single rock, and features the engraved letters D.F.D, meaning 'Last Folie Denecourt'. The Calvary Shelter is dug into the rock near the Croix du Calvaire, offering an impressive natural setting.
Absolutely. The area around Saint-Martin-En-Bière, especially near the Fontainebleau forest, is excellent for outdoor activities. You can find numerous routes for mountain biking, gravel biking, and cycling. Explore options like the MTB Trails around Saint-Martin-En-Bière or Cycling around Saint-Martin-En-Bière.
Yes, many of these rock shelters and natural monuments are integrated into hiking routes within the Fontainebleau forest. While specific hiking guides are not listed here, you can often find trails that pass by these points of interest, offering a chance to explore them on foot.
The rock shelters and natural monuments around Saint-Martin-En-Bière can be visited year-round. Spring and autumn offer pleasant temperatures for exploring the surrounding forest, while summer provides shade. Winter visits are also possible, though some paths might be muddy.
The Calvary Shelter is located near the Croix du Calvaire and offers an impressive natural setting, which often implies scenic views of the surrounding landscape.
Visitors often appreciate the unique geological formations, the historical engravings, and the opportunity to explore these natural curiosities within the beautiful setting of the Fontainebleau forest. They serve as interesting stopping points during hikes and offer a glimpse into the region's natural and historical heritage.
As these 'caves' are often located within the Fontainebleau forest, parking is typically available at various forest access points or trailheads. It's advisable to check specific access points for each location when planning your visit.
Generally, no specific permits are required to visit these natural rock shelters and monuments within the public areas of the Fontainebleau forest. However, always respect local regulations and signage.


Extend your search for the best caves by checking out these guides of the top ones around Saint-Martin-En-Bière: