It stretches between Nantes and Brest, easily accessible from the D123 and D166 roads. A local AAPPMA permit is required for fishing.

A 364 km long canal in the area of Brittany. The Canal de Nantes à Brest runs through the valleys of the Erdre, Isac, Oust, Blavet, Doré, Kergoat, Hyères, and Aulne rivers. It offers excellent fishing opportunities, where the main fish species include carp, pike, zander, and perch.