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Follainville-Dennemont

View of Îlon Harbor – La Roche-Guyon Castle loop from Follainville-Dennemont

Follainville-Dennemont

View of Îlon Harbor – La Roche-Guyon Castle loop from Follainville-Dennemont

Moderate

4.3

(4)

riders

View of Îlon Harbor – La Roche-Guyon Castle loop from Follainville-Dennemont

02:53

42.6km

350m

Gravel riding

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: May 12, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc naturel régional du Vexin Français

Waypoints

Start point

Bus stop

Get Directions

9.85 km

View of Îlon Harbor

Highlight • Other

quite calm place you can either go mountain biking or hiking, there is a path that goes all around the lake with a lot of corner to rest and relax in peace

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11.0 km

Bois de l'Îlon

Forest

18.5 km

Banks of the Seine at Vétheuil

Highlight • River

The tranquility of the banks of the Seine. At Vétheuil, a few islands slow down the course of the river. The small streets go back to the heart of the …

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26.3 km

View of the route des crêtes

Highlight • Other

superb place with a really nice view of Gasny, if you continue on this path you will arrive on the ridge road just above the Chateau de la Roche Guyon

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27.8 km

The Winding Road at La Roche-Guyon

Highlight • Climb

This site inspired Paul Cézanne in one of his paintings, “The Turning Road at La Roche-Guyon” (1885). It is an impressionist painting that invites us to change our view of …

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28.8 km

La Roche-Guyon Castle

Highlight • Castle

The castle of La Roche-Guyon impresses the adventurers passing through Vexin. It dates from the Middle Ages and since its construction, each century has left its mark.

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28.9 km

La Roche-Guyon Castle and Keep

Highlight • Castle

Pretty village located below the slopes of the Vexin plateau on the bank of the Seine. Its castle, property of La Rochefoucauld, dominated by a medieval keep, and the arboretum are worth a visit.

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31.1 km

Troglodyte Church of Our Lady of the Annunciation

Highlight • Other

An atypical site, the Church is rarely open but the interior is visible thanks to the windows rarely closed due to the humidity. Note the many troglodyte sites on this …

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35.2 km

Notre-Dame Church, Vétheuil

Highlight • Religious Site

Notre-Dame Church is a Catholic parish church located in Vetheuil, in Val-d'Oise. By its size, its double side plan and its particularly rich and varied furniture, it stands out from …

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42.6 km

End point

Bus stop

Way Types & Surfaces

Way Types

22.2 km

11.7 km

8.01 km

472 m

294 m

< 100 m

Surfaces

18.2 km

11.5 km

11.2 km

1.79 km

< 100 m

Elevation

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

Highest point (140 m)

Lowest point (10 m)

Weather

Thursday 21 May

27°C

9°C

0 %

Additional weather tips

Max wind speed: 8.0 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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View of Îlon Harbor – La Roche-Guyon Castle loop from Follainville-Dennemont

View of Îlon Harbor

Banks of the Seine at Vétheuil

View of the route des crêtes

The Winding Road at La Roche-Guyon

La Roche-Guyon Castle

La Roche-Guyon Castle and Keep

Troglodyte Church of Our Lady of the Annunciation

Notre-Dame Church, Vétheuil

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