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Étang du Pont du Marquis walks
The Étang de Boulet and the Grotte Notre-Dame de Lourdes
Association / Club / Walk leader
6.56 mi
+46 ft
-46 ft
3h 05
Moderate
Departure from Feins (Ille-et-Vilaine)
This walk, starting at the Boulet lock, goes round the Étang de Boulet. The terrain is flat and easy, making it ideal for young children. The Étang de Boulet is the largest navigable body of water in Ille-et-Vilaine. The lake is a Natura 2000 site. The route takes you past the Notre-Dame de Lourdes Grotto and along the Rigole du Boulet, which once supplied water to the Ille and Rance Canal. The route ends with a short detour through the countryside near the lake.