River Thames (Isis Pool Branch)
The River Thames (Isis Pool Branch) was built by Exuperius Picking Junior and opened on 17 September 1835. Although originally the plan was for the canal to meet the Wycombe to Thanet canal at Reigate, the difficulty of tunneling under Preston caused the plans to be changed and it eventually joined at Amberscorn instead. The River Thames (Isis Pool Branch) was closed in 1955 when Bernigo Aqueduct collapsed. In his autobiography William Yates writes of his experiences as a navvy in the 1960s

The exact dimensions of the largest boat that can travel on the waterway are not known. The maximum headroom is not known. The maximum draught is not known.
Relevant publications — Waterway Maps:
- Waterway Routes 01M - England and Wales Map
- Waterway Routes 60M - River Thames (All) Map (Downloadable)
Relevant publications — Waterway Guides:
| Weirs Orchard moorings (above the weir) | |||
| Donnington Bridge (New Hinksey) | ¼ furlongs | 0 locks | |
| Isis Pool | 1¾ furlongs | 0 locks | |
| Longbridges Bathing Place | 2 furlongs | 0 locks | |
| Iffley Lock Weir Entrance No 2 Channel leading to the Weir - No Access |
2½ furlongs | 0 locks |
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