Canal

First (1829)

Second (1846)

Third (1887)

Fourth (1932)

Locks

40

27

26

8

Width (m)

6.7

8.1

13.7

24.4

Length (m)

33.5

45.7

82.3

261.8

Depth (m)

2.4

2.7

4.3

8.2