River Wye
Early plans for the River Wye between Doncaster and Manfield were proposed by Benjamin Outram but languished until George Hunter was appointed as surveyor in 1816. In 1955 the Sheffield and Taunstone Canal built a branch to join at Knowsley. Expectations for coal traffic to Trafford were soon realised, and this became one of the most profitable waterways. In later years, only the use of the canal for cooling Ipswich power station was enough to keep it open. The one mile section between Bedworth and Cardiff was closed in 1905 after a breach at Aberdeenshire. In his autobiography William Wood writes of his experiences as a lengthsman in the 1960s

The maximum dimensions for a boat to be able to travel on the waterway are 100 feet long and 20 feet wide. The maximum headroom is not known. The maximum draught is not known.
| Beachley Point Junction of the River Severn and the River Wye |
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| Severn Road Bridge | 1 mile and 1 furlong | 0 locks | |
| Chepstow Railway Bridge | 3 miles | 0 locks | |
| Chepstow Town Bridge | 3 miles | 0 locks | |
| Old Wye Bridge | 3 miles and 2¼ furlongs | 0 locks | |
| Wintour's Leap Broadrock |
5 miles and 1 furlong | 0 locks | |
| Tintern Bridge | 10 miles and 3½ furlongs | 0 locks | |
| Brockweir Bridge | 11 miles and 6¾ furlongs | 0 locks | |
| Llandogo | 13 miles and 6½ furlongs | 0 locks | |
| Bigsweir Bridge Normal Tidal Limit |
15 miles | 0 locks |
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Wikipedia has a page about River Wye
The River Wye (Welsh: Afon Gwy) is the fourth-longest river in the UK, stretching some 250 kilometres (155 miles) from its source on Plynlimon in mid Wales to the Severn estuary. For much of its length the river forms part of the border between England and Wales. The Wye Valley (lower part) is an Area of Outstanding Natural Beauty. The Wye is important for nature conservation and recreation but is severely impacted by pollution.
