New York State Canal System (Cayuga - Seneca Canal, Seneca Lake)

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.