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Bike touring routes & trails

Agon-Coutainville

Regnéville-sur-Mer – Château de Regnéville loop from Agon

Bike touring routes & trails

Agon-Coutainville

Regnéville-sur-Mer – Château de Regnéville loop from Agon

Moderate

4.5

(22)

117

riders

Regnéville-sur-Mer – Château de Regnéville loop from Agon

02:20

40.0km

220m

Cycling

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: August 12, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Havre de la Sienne

Waypoints

A

Start point

Parking

1

5.87 km

Heugueville-sur-Sienne

Highlight • Other

Nice view of the marsh.

Translated by Google •

Tip by

2

6.36 km

La Sienne overlook

Highlight • Viewpoint

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

Tip by

3

7.33 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 …

Tip by

4

8.60 km

Roque Bridge

Highlight • Historical Site

The beautiful bridge is located at the confluence of the Siena and Soulles rivers. During the Second World War there were several attempts to destroy it. They wanted to prevent …

Translated by Google •

Tip by

5

14.7 km

Sienne Estuary at Regnéville

Highlight • Other

A place to discover on foot or by bike.

Translated by Google •

Tip by

6

15.8 km

Regnéville-sur-Mer

Highlight • Settlement

This little beach harbor at the mouth of the Sienne, which used to be one of the most prosperous on the entire coast, fell into disrepair when the harbor silted …

Translated by Google •

Tip by

7

16.0 km

Regnéville Church

Highlight • Other

The church with its simple rectangular plan dates from the middle of the 13th century. The choir was vaulted in the 19th century.
The tower, from the second half of …

Translated by Google •

Tip by

8

24.5 km

Château de Regnéville

Highlight • Castle

The Castle once played a very important role in the 100 Years' War and had the role of defending the stranding port of Régneville-Sur-Mer and the harbor of Siena.
tourisme-coutances.fr

Translated by Google •

Tip by

B

40.0 km

End point

Parking

Way Types & Surfaces

Way Types

33.5 km

3.84 km

2.00 km

428 m

120 m

< 100 m

Surfaces

37.6 km

1.78 km

428 m

196 m

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Elevation

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Weather

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Thursday 8 October

18°C

13°C

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