The waterway connects English Channel to Vilaine.
The source is Le Mené and the mouth is English Channel.
Navigation on the Maritime Rance starts at Saint-Samson-sur-Rance and ends at Saint-Malo.
The Maritime Rance is 103.5 kilometres long (64.31 miles) with a total of 16 kilometres of navigable waterway.
There is a total of 2 locks, with an average of 1 lock every 8 kilometres (4.97 miles).
The highest altitude of the Maritime Rance is 258 metres (846′ 5″ ft) above sea level.
There are "Large" lock types.
Lock length 34 metres (111′ 7″ ft)
Lock width 8 metres (26′ 3″ ft)
There are "Large" lock types.
Lock length 65 metres (213′ 3″ ft)
Lock width 13 metres (42′ 8″ ft)
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More details about The Brittany region