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Ile-de-France

Chailly-En-Bière

Top 5 Gorges around Chailly-En-Bière

Best canyons around Chailly-En-Bière are located within the Fontainebleau Forest, notably the Gorges d'Apremont. These areas are characterized by impressive sandstone boulders and distinct geological formations. The landscape offers a variety of terrains, including forest paths, sandy sections, and rocky passages. It serves as a destination for hiking and bouldering.

Best canyons around Chailly-En-Bière

  • The most popular canyons is Grotte du Serment, a gorge that features a vault made of a single rock. The letters D.F.D, meaning "Last Folie…

Last updated: July 5, 2026

Grotte du Serment

Highlight • Gorge

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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Apremont gorge

Highlight • Gorge

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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Mouse Cave

Highlight • Gorge

Between rocky chaos and plateau moor, on the GR11, ideal place for a break

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Gorges du Houx

Highlight • Gorge

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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Forming a bottleneck where several paths meet. A magnificent landscape in all seasons. The pleasure of riding here!

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Popular around Chailly-En-Bière

Hiking around Chailly-En-Bière

Running Trails around Chailly-En-Bière

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Road Cycling Routes around Chailly-En-Bière

Tips from the Community

Olivier
June 11, 2026, Grotte de la souris

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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pamela
March 31, 2025, Grotte du Serment

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 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".

Translated by Google

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Forming a bottleneck where several paths meet. A magnificent landscape in all seasons. The pleasure of riding here!

Translated by Google

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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.

Translated by Google

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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".

Translated by Google

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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.

Translated by Google

0

1

Jean-roger
January 17, 2021, Grotte du Serment

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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Frequently Asked Questions

What are the most notable natural features in the canyons around Chailly-En-Bière?

The canyons around Chailly-En-Bière, primarily within the Fontainebleau Forest, are known for their impressive sandstone boulders and unique geological formations. You'll find spectacular rock formations like 'Elephant Rock' and the 'Dame d'Apremont'. Highlights include the Grotte du Serment, which features a vault made of a single rock, and the Apremont gorge with its large rocks and varied terrain.

Are there specific trails or passages worth exploring in the gorges?

Yes, several trails offer unique experiences. The Apremont gorge features a passage of the Denecourt-Colinet trail no. 6, which involves walking on large rocks and offers views over the forest. Another great passage is in the Gorges du Houx, part of the Denecourt-Colinet trail no. 8, where you can navigate between rocks. The Sentier de l'Érosion in the Gorges d'Apremont also includes a notable 149-step wooden staircase.

What kind of terrain can I expect when hiking in the canyons near Chailly-En-Bière?

The area offers a diverse mix of terrains. You can expect forest paths, sandy sections, and rocky passages. Some trails, like those in the Apremont gorge, involve walking on large rocks, while others, such as the Gorges du Houx, require navigating between boulders.

What is the best time of year to visit the canyons for their natural beauty?

While beautiful year-round, late summer and early autumn (August/September) are particularly stunning. During this period, the Gorges d'Apremont transform with a vibrant display of heather blooms, creating a 'breathtaking purple carpet' across the landscape.

Are the canyons around Chailly-En-Bière suitable for bouldering?

Absolutely. The Gorges d'Apremont are a globally recognized bouldering area, famous for hundreds of sandstone boulders of varying difficulty levels. It's historically significant in the climbing world, being where the 'Font grade' for bouldering originated. Even if you don't climb, observing the unique rock formations used by climbers is impressive. For more information on bouldering in Fontainebleau, you can visit Wikipedia's page on Fontainebleau rock climbing.

What other outdoor activities can I do near these canyons?

Beyond exploring the gorges, the region offers a variety of outdoor activities. You can find numerous hiking trails, such as the 'Circuit des Peintres de Barbizon' or the 'Lion-Shaped Rock Formation – Apremont gorge loop'. There are also options for gravel biking and running. For more details on these activities, check out the hiking guide, gravel biking guide, and running trails guide around Chailly-En-Bière.

Are there any viewpoints offering panoramic views of the gorges?

Yes, the Apremont Gorges Panorama offers breathtaking views of the surrounding vegetation. It's a technical rockgarden area that provides expansive vistas, which can be particularly striking in different seasons.

What historical or legendary spots can be found in the canyons?

The Grotte du Serment (Oath Cave) is a notable spot, featuring a vault made of a single rock with the letters D.F.D (meaning 'Last Folie Denecourt') engraved by Denecourt himself. Additionally, the Bandits' Cave within the Gorges d'Apremont adds a touch of mystery to the hiking experience.

How accessible are the canyons from nearby towns?

The Gorges d'Apremont are easily accessible from nearby areas like Barbizon and Fontainebleau. There are dedicated parking areas and well-indicated starting points for hikes, making it convenient for visitors to explore the region.

What do visitors particularly enjoy about the canyons around Chailly-En-Bière?

Visitors appreciate the natural tranquility and beauty of the area, offering a peaceful escape. The diverse landscapes, from forest paths to rocky passages, make for engaging hiking. The unique rock formations, especially for bouldering, are also a major draw. Many find the experience of slaloming between rocks in places like the Gorges du Houx both beautiful and fun.

Are there any 'hidden gem' gorges or less-known spots to explore?

While the Gorges d'Apremont are well-known, exploring areas like the Gorge aux Néfliers – Route du Milan can offer a slightly different experience. This spot forms a bottleneck where several paths meet, providing a magnificent landscape that changes with the seasons and is appreciated by those who enjoy riding through it.

Most popular routes around Chailly-En-Bière

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Already discovered everything in this region? See additional gorges around Chailly-En-Bière for your next adventure:

Arbonne-La-ForêtVilliers-En-BièreFleury-En-BièreSaint-Martin-En-BièreBarbizonChartrettesLa RochettePerthesCélyLivry-Sur-Seine

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