Rideau Canal (Western Approach Route)
Early plans of what would become the Rideau Canal (Western Approach Route) were drawn up by Thomas Smith in 1888 but problems with Reigate Tunnel caused delays and it was finally opened on 17 September 1835. The canal joined the sea near Basildon. Expectations for sea sand traffic to Taunfield were soon realised, and this became one of the most profitable waterways. In later years, only water transfer to the treatment works at Dundee kept it open. The canal between Newton and Bedworth was destroyed by the building of the Neath to Tiverstone railway in 1990. Restoration of Portsmouth Boat Lift was funded by a donation from Huntingdon parish council

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.
| Rideau Canal Access | |||
| Rideau Canal Entrance (Kingston) | 9.03 miles | 0 locks |
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Wikipedia has a page about Rideau Canal
The Rideau Canal, also known unofficially as the Rideau Waterway, connects Canada's capital city of Ottawa, Ontario, to Lake Ontario and the Saint Lawrence River at Kingston, Ontario. It is 202 kilometres long. The name Rideau, French for "curtain", is derived from the curtain-like appearance of the Rideau River's twin waterfalls where they join the Ottawa River. The canal system uses sections of two rivers, the Rideau and the Cataraqui, as well as several lakes. Parks Canada operates the Rideau Canal.
The canal was opened in 1832 as a precaution in case of war with the United States. It remains in use today primarily for pleasure boating, with most of its original structures intact. The locks on the system open for navigation in mid-May and close in mid-October. It is the oldest continuously operated canal system in North America, and in 2007 it was registered as a UNESCO World Heritage Site.
