The Oswego Canal is a canal in the New York State Canal System located in New York, United States. Opened in 1828, it is 23.7 miles (38.1 km) in length, and connects the Erie Canal at Three Rivers (near Liverpool) to Lake Ontario at Oswego. The canal has a depth of 14 ft (4.2 m), with seven locks spanning the 118 ft (36 m) change in elevation.