The Boat Floats

Grand Union Canal

Find services, locks and businesses along the Grand Union Canal. Operated by CRT. Length: 220 km.

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Locks on the Grand Union Canal (25)

Braunston Lock 1

Lock #1
7.5 ft rise

Foxton Top Lock

Lock #1
7.5 ft rise

Watford Staircase Lock

Lock #1
16.2 ft rise

Braunston Lock 2

Lock #2
7.5 ft rise

Braunston Lock 3

Lock #3
7.5 ft rise

Foxton Bottom Lock

Lock #5
7.5 ft rise

Braunston Lock 6

Lock #6
7.5 ft rise

Buckby Top Lock

Lock #7
7 ft rise

Stoke Bruerne Top Lock

Lock #14
8 ft rise

Stoke Bruerne Lock 15

Lock #15
7.5 ft rise

Stoke Bruerne Lock 16

Lock #16
7.5 ft rise

Cosgrove Lock

Lock #19
6 ft rise

Fenny Stratford Lock

Lock #22
1 ft rise

Leighton Lock

Lock #26
5 ft rise

Hatton Lock 1

Lock #26
9 ft rise

Hatton Lock 2

Lock #27
9 ft rise

Hatton Lock 5

Lock #30
9 ft rise

Hatton Lock 10

Lock #35
9 ft rise

Marsworth Lock 38

Lock #38
5.5 ft rise

Hatton Lock 15

Lock #40
9 ft rise

Cowroast Lock

Lock #46
6.5 ft rise

Hatton Lock 21

Lock #46
9 ft rise

Gas Lock

Lock #51
6 ft rise

Berkhamsted Lock

Lock #53
6 ft rise

Brentford Gauging Lock

Lock #100
2.5 ft rise