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Barrage sur le Couesnon - Beauvoir walks
The Couesnon canalised at the start of Saint-Georges-de-Gréhaigne
Association / Club / Walk leader 
13.29 km
+3 m
-3 m
3h 50
Moderate
Departure from Pontorson (Manche)
This walk takes you along the Couesnon between the dam and Anse de Moidrey, allowing you to see the polders on the Brittany side and also the fairly abundant wildlife, particularly birds.A bit of history: formerly known as Lerra Fluvius, the Couesnon rises in the commune of Saint-Pierre-des-Landes in Mayenne, at the Fontaine de Couesnette, 200 metres above sea level. The Couesnon was channelled in 1867, allowing boats to sail up the river as far as the port of Pontorson. The first dam, built in 1969, was intended to stop the tide from flowing back into the riverbed, which, during high tidal ranges, caused flooding. It was demolished in 2008 and replaced by the Couesnon Dam as part of the project to restore the maritime character of Mont-Saint-Michel.
Walks near Barrage sur le Couesnon - Beauvoir
Coastal path and countryside from Champeaux to Saint-Pair-sur-Mer
Visorando Member 
15.10 km
+211 m
-280 m
4h 55
Difficult
Departure from Champeaux (Manche) (Manche)
Along the way, you will enjoy views of Mont Saint-Michel, the Vauban huts and the Lude Valley, passing through the valley of the painters, before heading back up into the countryside, passing through the marshes and the village of Kairon to arrive in the Beausoleil district of Saint-Pair.