Name: Port de Roche topographic map, elevation, terrain.
Location: Port de Roche, Glénac, La Gacilly, Vannes, Morbihan, Bretagne, France métropolitaine, 56200, France (47.70578 -2.16491 47.74578 -2.12491)
Average elevation: 30 m
Minimum elevation: -2 m
Maximum elevation: 81 m