Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: November 18, 2025

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Parking

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115 m

Ancient Pont de la Roque

Highlight • Bridge

There are only eight of the eleven piles of the bridge built in 1852, bombarded by the allies in 1944 to prevent the retreat of the German occupation army.

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7.18 km

Coutances Aqueduct

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Picturesque remains of a Gothic aqueduct from the 13th century. Destroyed three centuries later by the Huguenots and then restored, it was completely abandoned from the 17th century.

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9.07 km

Notre-Dame de Coutances Cathedral

Highlight • Religious Site

Bishop Geoffroy de Montbray, one of the great monk-knights Duke William gathered around him before he left for England, completed the first nave of the cathedral in 1056. He then …

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14.4 km

Gratot Castle

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The castle of Gratot was owned by the Argouges family for five centuries. It then stood empty until volunteers restored it and brought it back to life from 1968.
A …

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14.4 km

Notre-Dame Church, Gratot

Highlight • Religious Site

The Notre-Dame Church of Gratot is a Catholic church located in the territory of the French commune of Gratot, in the Manche department in Normandy. The church and the cemetery …

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30.6 km

Heugueville-sur-Sienne

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Nice view of the marsh.

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31.1 km

La Sienne overlook

Highlight • Viewpoint

The tidal estuary of the Sienne river runs parallel to the road and offers several scenic overlooks.

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32.0 km

View of the La Roque bridge

Highlight • Viewpoint

From this overlook that shows the majestic remaining arches of the La Roque bridge, there are three parallel options heading north-west: the road to the old La Roque bridge that …

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32.9 km

End point

Parking

Way Types & Surfaces

Way Types

24.0 km

4.80 km

2.37 km

873 m

384 m

223 m

162 m

Surfaces

28.9 km

3.10 km

493 m

180 m

139 m

< 100 m

Elevation

Highest point (100 m)

Lowest point (0 m)

Weather

Today

Tuesday 2 December

11°C

6°C

70 %

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Max wind speed: 20.0 km/h

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Ancient Pont de la Roque – Notre-Dame Church, Gratot loop from Heugueville-sur-Sienne

Ancient Pont de la Roque

Coutances Aqueduct

Notre-Dame de Coutances Cathedral

Gratot Castle

Notre-Dame Church, Gratot

Heugueville-sur-Sienne

La Sienne overlook

View of the La Roque bridge

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