Best canyons around Héricy are primarily natural gorges and rock formations found within the surrounding landscape, particularly in areas like the Fontainebleau Forest. Héricy, located in the Seine-et-Marne department, features a relatively flat to gently undulating terrain with elevations between 42 and 103 meters. While not known for traditional deep canyons, the region offers several natural features classified as gorges, providing opportunities for outdoor exploration. These locations are often categorized as "canyons" on outdoor platforms, highlighting their unique geological characteristics.
…Last updated: May 9, 2026
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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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Forming a bottleneck where several paths meet. A magnificent landscape in all seasons. The pleasure of riding here!
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It's a great passage on the sidelines of the Denecourt-Colinet trail n ° 8, where we slalom between the rocks! It is as beautiful as it is fun.
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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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Here is a very nice passage of the Denecourt-Colinet trail n ° 6, which overhangs the forest and makes us walk on huge rocks.
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Walk to the acute mountain, near the pheasant farm in Fontainebleau. The cave of the oath to see, in full course, one does not expect it and yet.
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Around Héricy, the term 'canyons' primarily refers to natural gorges and unique rock formations, particularly within the surrounding Fontainebleau Forest. These are not traditional deep, narrow canyons carved by rivers, but rather geological features that offer scenic beauty and opportunities for outdoor exploration. The landscape is generally flat to gently undulating, with elevations between 42 and 103 meters.
Among the most popular natural gorges are Grotte du Serment, known for its unique single-rock vault, and Apremont gorge, a passage of the Denecourt-Colinet trail featuring huge rocks and climbing spots. Visitors also highly appreciate Gorges du Houx, a forest area where you can slalom between rocks.
Yes, for breathtaking views of the natural landscape, consider visiting Apremont Gorges Panorama. It offers expansive views, especially of the wooded areas, and includes a technical rockgarden section.
The area around Héricy and its gorges is excellent for various outdoor activities. You can find numerous routes for mountain biking, cycling, and gravel biking. Many trails pass through the forest and near these natural formations, offering diverse terrain for exploration.
Many of the natural gorges and trails, such as those found in the Fontainebleau Forest, are considered intermediate in difficulty, offering an engaging experience without being overly strenuous. For example, Gorges du Houx is described as both beautiful and fun, allowing for slaloming between rocks, which can be enjoyable for active families. Always check specific trail details for suitability.
Beyond the general rock formations, you can discover specific natural monuments. For instance, Grotte du Serment is notable for its vault made of a single rock and historical engravings. Another interesting spot is Gorge aux Néfliers – Route du Milan, which forms a natural bottleneck where several paths converge, offering a magnificent landscape throughout the seasons.
The natural gorges and forest areas around Héricy, particularly in the Fontainebleau Forest, offer magnificent landscapes in all seasons. While the specific guide does not detail seasonal considerations, the beauty of the forest and rock formations can be appreciated year-round, with each season offering a different visual experience.
Some sites have historical connections, such as Grotte du Serment. This cave features the letters D.F.D, meaning 'Last Folie Denecourt,' engraved by Denecourt himself, adding a touch of local history to the natural monument.
Yes, several gorges are part of well-known trail systems. For example, Apremont gorge is a passage on the Denecourt-Colinet trail, and Gorges du Houx is also found on the Denecourt-Colinet trail, offering engaging routes for hikers and explorers.
Visitors particularly enjoy the unique geological formations, the opportunities for rock climbing at places like Apremont gorge, and the scenic beauty of slaloming between rocks at spots like Gorges du Houx. The blend of natural beauty and engaging trails makes these locations highly appreciated by the komoot community.
While the immediate vicinity of Héricy is known for these gorges and rock formations, the broader region of Seine-et-Marne and Île-de-France offers diverse natural attractions. For instance, the Sainte-Geneviève Cave is another natural feature, though it is a cave and not a canyon.


Already discovered everything in this region? See additional gorges around Héricy for your next adventure: