AULNE MARITIME

Distance in km : 31 km

Number of locks : 1

Dimensions (L x W) : 38,50 m x 10 m

Draught : 10 m (viaduc aval de Châteaulin)

Clearance : 2,70 m entre Guily-Gaz et Châteaulin

From Châteaulin to Brest

As soon as the last lock on the Nantes to Brest canal is crossed at Guily-Glaz, the Aulne becomes subject to the rhythm of the tides. It opens out into a long and sinuous estuary as far as Landevennec, where it joins the Brest Roads.