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Grotte du Serment – Mont Aigu loop from Tour de la Vierge

Routes

Running trails & routes

Grotte du Serment – Mont Aigu loop from Tour de la Vierge

Hard

5.0

(2)

125

runners

Grotte du Serment – Mont Aigu loop from Tour de la Vierge

03:17

26.8km

280m

Running

Hard run. Very good fitness required. Mostly accessible paths. Some sure footedness required. The starting point of the route is right next to a parking lot.

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc naturel régional du Gâtinais français

Réserve de biosphère de Fontainebleau et du Gâtinais

Waypoints

Start point

Parking

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4.51 km

The sandstones of Fontainebleau

Highlight • Natural Monument

The Fontainebleau sandstones are sedimentary rock formations. These sandstones are very popular with climbers for their unique texture which provides excellent grip. They are also popular with artists for their …

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7.59 km

Marie Stuart viewpoint

Highlight • Other

7.88 km

The Druids' Sphinx

Highlight • Other

One of the many rocks of Fontainebleau with an atypical shape! This one is known under the name of 'Sphinx of the Druids'...or then the 'Mushroom'. It's up to each and everyone to make up their own mind

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11.2 km

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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11.7 km

Mont Aigu

Highlight • Summit

Mont Aigu culminates at 123 meters above sea level and offers a beautiful panorama over the forest of Fontainebleau. The opportunity to accumulate a little elevation or to do some hill training.

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16.3 km

Quarry troll sculpture

Highlight • Monument

A troll has settled in this disused quarry. Will you greet him?

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18.8 km

Franchard Gorges

Highlight (Segment) • Other

The path of the mythical gorges de flanchard is a remarkable site in the forest of Fontainebleau. You will find some nice bouldering rocks and some nice picnic spots.
A must see.

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24.2 km

Entrance to Parc Naturel Régional du Gâtinais Français

Highlight • Natural

Sandy paths along this nature reserve... good extra training.

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26.8 km

End point

Parking

Way Types & Surfaces

Way Types

13.7 km

7.01 km

6.00 km

102 m

Surfaces

17.6 km

9.02 km

102 m

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (130 m)

Lowest point (70 m)

Weather

Tuesday 19 May

20°C

11°C

57 %

Additional weather tips

Max wind speed: 22.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Grotte du Serment – Mont Aigu loop from Tour de la Vierge

The sandstones of Fontainebleau

Marie Stuart viewpoint

The Druids' Sphinx

Grotte du Serment

Mont Aigu

Quarry troll sculpture

Franchard Gorges

Entrance to Parc Naturel Régional du Gâtinais Français

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