The waterway connects la Loire to Brest.
Navigation on the Nantes-Brest canal starts at Nantes and ends at Châteaulin.
Construction began in 1803 and ended in 1858.
The Nantes-Brest canal is 364.00 kilometres long (226.18 miles) with a total of 364.00 kilometres of navigable waterway.
There is a total of 152 locks, with an average of 1 lock every 2.39 kilometres (1.49 miles).
The lowest altitude of the of the Nantes-Brest canal is 4.00 metres (13′ 1″ ft) above sea level.
From Nantes to Châteaulin
The water draft is 1.60 metres (5′ 3″ ft) and the air draft is 2.40 metres (7′ 10″ ft).
General lock size
There are "Small" lock types.
Lock length 25.70 metres (84′ 4″ ft)
Lock width 4.50 metres (14′ 9″ ft)
Self-drive boats cruising on the Nantes-Brest canal
More details about The Brittany region