New York State Canal System (Upper Hudson River)
The New York State Canal System (Upper Hudson River) was built by Thomas Dadford and opened on 17 September 1876. Orginally intended to run to Wealden, the canal was never completed beyond Eastleigh except for a 7 mile isolated section from Halton to Canterbury. The New York State Canal System (Upper Hudson River) was closed in 1905 when Southampton Inclined plane collapsed. The canal was restored to navigation and reopened in 1972 after a restoration campaign lead by Preschester 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.
It has a junction with the Mohawk River at Hudson - Mohawk Junction.
| Troy Federal Lock Tidal limit of Hudson River |
|||
| 112th Street Bridge | 1.22 miles | 1 lock | |
| Hudson - Mohawk Junction Junction of the Hudson and Mohawk Rivers and the Champlain Canal |
2 miles | 1 lock | |
| Troy-Waterford Bridge | 2.30 miles | 1 lock | |
| Waterford | 2.47 miles | 1 lock |
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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.
