River Thames (Sheepwash Channel)
The maximum dimensions for a boat to be able to travel on the waterway are 72 feet long and 7 feet wide. The maximum headroom is not known. The maximum draught is not known.
The navigational authority for this waterway is Environment AgencyRelevant publications — Waterway Maps:
- Waterway Routes 01M - England and Wales Map
- Waterway Routes 53M - Oxford Canal Map (Downloadable)
- Waterway Routes 60M - River Thames (All) Map (Downloadable)
- Waterway Routes 58M - River Thames (Upper) Map (Downloadable)
Relevant publications — Waterway Guides:
| Sheepwash Channel Junction Junction of the River Thames with the branch to the Oxford Canal |
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| Sheepwash Channel Footbridge | a few yards | 0 locks | |
| Roger Dudman Way Footbridge | ¼ furlongs | 0 locks | |
| Roger Dudman Way Bridge | ¼ furlongs | 0 locks | |
| Sheepwash Channel Railway Bridge Line from Birmingham to Reading |
¼ furlongs | 0 locks | |
| Railway Swing Bridge (Castle Mill Stream) | ½ furlongs | 0 locks | |
| Rewley Road Bridge | ½ furlongs | 0 locks | |
| Castle Mill Stream Junction Junction of the Sheepwash Channel and the Castle Mill Stream. |
¾ furlongs | 0 locks | |
| Isis Lock No 46 | 1 furlong | 0 locks | |
| Isis Lock Junction | 1 furlong | 1 lock |
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Wikipedia has a page about River Thames
The River Thames ( (listen) TEMZ), known alternatively in parts as the River Isis, is a river that flows through southern England including London. At 215 miles (346 km), it is the longest river entirely in England and the second-longest in the United Kingdom, after the River Severn.
It flows through Oxford (where it is called the Isis), Reading, Henley-on-Thames and Windsor. The lower reaches of the river are called the Tideway, derived from its long tidal reach up to Teddington Lock. It rises at Thames Head in Gloucestershire, and flows into the North Sea via the Thames Estuary. The Thames drains the whole of Greater London.
Its tidal section, reaching up to Teddington Lock, includes most of its London stretch and has a rise and fall of 23 feet (7 m). Running through some of the driest parts of mainland Britain and heavily abstracted for drinking water, the Thames' discharge is low considering its length and breadth: the Severn has a discharge almost twice as large on average despite having a smaller drainage basin. In Scotland, the Tay achieves more than double the Thames' average discharge from a drainage basin that is 60% smaller.
Along its course are 45 navigation locks with accompanying weirs. Its catchment area covers a large part of south-eastern and a small part of western England; the river is fed by at least 50 named tributaries. The river contains over 80 islands. With its waters varying from freshwater to almost seawater, the Thames supports a variety of wildlife and has a number of adjoining Sites of Special Scientific Interest, with the largest being in the remaining parts of the North Kent Marshes and covering 5,449 hectares (13,460 acres).