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Wendover Arm

Accessible to all craft kept on the connected inland waterways

Silver Propeller Challenge



Visit Wendover Arm on the Grand Union Canal by boat or canoe.

Its 1 ½ mile long arm has been chosen as a Silver Propeller Location to support the restoration and to encourage boats up the arm. A photo of your boat at the end of the Wendover Arm will be a good proof of your visit.

Complete our challenge by visiting 20 locations from our list, you will receive our exclusive plaque and goody bag.


History of the Grand Union Canal – Wendover Arm

The Wendover Arm goes off the Tring summit of the Grand Union Canal at the top of Marsworth Locks. Previously, the original plan for the Grand Junction Canal did not include any branches and the Wendover Arm was part of a second enabling Act in 1794. During 1799, the opening of the navigable feeder to the springs near Wendover took place. However, the insufficient supply of water soon became clear. As a result, the construction of 4 reservoirs happened between 1802 and 1815; Wilstone was followed by Marsworth, Tringford and finally Startops End.

Furthermore, the use of the 6 ¾ mile canal was to transport coal, timber, straw and manure. Meanwhile, straw was shipped to London for horse bedding, with horse manure from the bus depots of London transported in the opposite direction for the local farms. Unfortunately, sections of the canal leaked and much of it was re-puddled within 10 years of its construction. Later on a stop lock was built just after the pumping station at Tringford. During 1904, the canal beyond the lock was closed and used purely to feed water with a pipe laid along the bed. Despite this, the canal to Tringford remained navigable serving Heygates Mill and Bushell Brothers boatyard.


Forming the Wendover Arm Trust in 1989 aims to restore the canal arm to navigation. Moreover, completing Phase 1 in 2005 involved works to the existing canal; reinstatement of the road bridge beyond Tringford stop lock and construction of an interim terminus basin at Little Tring Farm.

Photo: Wendover Arm on the Grand Union Canal by Tim Lewis.

Grand Union Canal – Wendover Arm Notes

Grand Union Canal – Wendover Arm Dimensions

The maximum size of boat that can navigate the Wendover Arm is:-

  • Length: 72′ (21.95 m)
  • Beam: 7′ (2.13 m)
  • Draught: 3′ 4”(1.03 m)
  • Height: 7′ 7” (2.33 m)


Watch out for the underwater ledge beside the bakery buildings about halfway along the arm, it is marked with yellow signs on the towpath.

Additionally, it is possible to turn a full length boat at the end.

Canoeing & Boat Hire

Go by canoe on the Wendover Arm with a CRT licence or British Canoeing membership.

Moreover, the day boats Albert & Victoria can be hired from Cowroast Marina.

Challenge Location

Wendover Arm

Current limit of navigation at Little Tring

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