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La Roche-Guyon Castle – View of Îlon Harbor loop from Issou - Porcheville

La Roche-Guyon Castle – View of Îlon Harbor loop from Issou - Porcheville

Moderate

5.0

(3)

riders

La Roche-Guyon Castle – View of Îlon Harbor loop from Issou - Porcheville

04:51

79.6km

380m

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: July 21, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc naturel régional du Vexin Français

Waypoints

Start point

Train Station

Get Directions

43.4 km

Troglodyte Church of Haute-Isle

Highlight • Religious Site

Small cave church by the road.

Translated by Google •

Tip by

44.8 km

Col de Clachaloze

Highlight • Mountain Pass

Small pass with a view of the Seine valley

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45.5 km

Viewpoint over the cliffs of La Roche-Guyon

Highlight • Other

Very nice point of view and benches to rest

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48.1 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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48.3 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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50.5 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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51.0 km

This place is in the heart of one of the favorite regions of the Impressionists, which happens to be rich in odds - some close to 18% - and in magnificent landscapes. Especially continue towards Giverny and Vernon!

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61.8 km

Bois de l'Îlon

Forest

62.9 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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79.6 km

End point

Train Station

Way Types & Surfaces

Way Types

33.6 km

19.1 km

13.3 km

9.71 km

1.86 km

1.75 km

275 m

Surfaces

33.1 km

28.2 km

15.3 km

1.97 km

1.05 km

Elevation

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

Highest point (100 m)

Lowest point (10 m)

Weather

Thursday 30 July

29°C

15°C

-- %

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Comments

November 10, 2022,la Seine près de Mantes la jolie

Rather easy and relatively flat course. Very beautiful landscapes.

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La Roche-Guyon Castle – View of Îlon Harbor loop from Issou - Porcheville

Troglodyte Church of Haute-Isle

Col de Clachaloze

Viewpoint over the cliffs of La Roche-Guyon

La Roche-Guyon Castle

La Roche-Guyon Castle and Keep

Troglodyte Church of Our Lady of the Annunciation

Roche Guyon limestone cliff

View of Îlon Harbor

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