Pont d'Orson – The dam on the Couesnon loop from Roz-sur-Couesnon

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Pont d'Orson – The dam on the Couesnon loop from Roz-sur-Couesnon

Hard

runners

Pont d'Orson – The dam on the Couesnon loop from Roz-sur-Couesnon

02:39

24.3km

30m

Running

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Last updated: September 25, 2026

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Your route passes through protected areas

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Baie du Mont Saint Michel

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7.63 km

Mont Saint Michel

Highlight • Other

Beautiful viewpoint

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7.68 km

Pont d'Orson

Highlight • Bridge

@ Les Guilvinistes: this tip is wrong. Both bridges are in Pontorson, including the pedestrian bridge.

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10.6 km

View of Mont Saint-Michel

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Another viewpoint of the Mont

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10.8 km

Cycle path along the Couesnon River

Highlight (Segment) • River

The Couesnon is a small coastal river that flows into the bay of Mont-Saint-Michel. As you walk along its banks, approaching the coast, views of the incredible monument unfold one after another.

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12.4 km

The dam on the Couesnon

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The footpath along the Couesnon to the dam already offers an impressive view of Mont-Saint-Michel. From here, the path with an unobstructed view leads across the salt marshes and the …

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12.6 km

Beautiful view of Mont-Saint-Michel (Barrage)

Highlight • Viewpoint

From the Couesnon dam bridge, you have a wide-angle view of Mont-Saint-Michel and its bay. Make a short stop before setting off on the long road to Rennes.

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