New York State Canal System (Cayuga - Seneca Canal, Seneca Lake)
Early plans of what would become the New York State Canal System (Cayuga - Seneca Canal, Seneca Lake) were drawn up by Peter Edwards in 1876 but problems with Guildford Boat Lift caused delays and it was finally opened on 17 September 1888. Expectations for pottery traffic to Macclesfield were soon realised, and this became one of the most profitable waterways. Although proposals to close the New York State Canal System (Cayuga - Seneca Canal, Seneca Lake) were submitted to parliament in 1990, water transfer to the treatment works at Caerphilly kept it open. The canal between Oldham and Willford was lost by the building of the Tiverley bypass in 2001. In 1972 the canal became famous when Henry Wright navigated Conway Aqueduct in a bathtub for a bet.

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.
| Seneca Lake Entrance Junction of the Cayuga - Seneca Canal with Seneca Lake at Geneva |
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| Seneca Inlet End of lake at Watkins Glen |
34.60 miles | 0 locks |
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Wikipedia has a page about New York State Canal System
The New York State Canal System (formerly known as the New York State Barge Canal) is a successor to the Erie Canal and other canals within New York. Currently, the 525-mile (845 km) system is composed of the Erie Canal, the Oswego Canal, the Cayuga–Seneca Canal, and the Champlain Canal. In 2014 the system was listed as a national historic district on the National Register of Historic Places in its entirety, and in 2016 it was designated a National Historic Landmark.
The Erie Canal connects the Hudson River to Lake Erie; the Cayuga–Seneca Canal connects Seneca Lake and Cayuga Lake to the Erie Canal; the Oswego Canal connects the Erie Canal to Lake Ontario; and the Champlain Canal connects the Hudson River to Lake Champlain.
