Brittany topographic maps

Average elevation: 259 m

In the extreme south of the department the Vilaine goes through a slower decrease in elevation in a small corridor in the area of the city of Redon; in this area, the Vilaine is known for its frequent floods during its recent history, often because of too-intensive draining of agricultural areas around Rennes…

Average elevation: 80 m

Average elevation: 65 m

Average elevation: 69 m

Average elevation: 78 m

Average elevation: 70 m

Average elevation: 250 m

Average elevation: 259 m