Van Cleef Lake. Flooding was completed on August 20, 1915. Locks The following list of locks is provided for the current canal, from east to west. There are a total of 4 locks on the Cayuga–Seneca Canal. All locks on the New York State Canal System are single-chamber; the dimensions are long and wide with a minimum depth of water over the miter sills at the upstream gates upon lift. They can accommodate a vessel up to long and wide. Overall sidewall height will vary by lock, ranging between depending on the lift and navigable stages. Distance is based on position markers from an interactive canal map provided online by the New York State Canal Corporation and may not exactly match specifications on signs posted along the canal. Mean surface elevations are comprised from a combination of older canal profiles and history books as well as specifications on signs posted along the canal. The margin of error should normally be within . All surface elevations are approximate. The Cayuga–Seneca Canal officially begins at the confluence of the Seneca and Clyde rivers near Mays Point. The connection to Cayuga Lake is just east of Lock CS1, where the mean surface elevation is . From there, the canal makes a sharp turn westward and continues towards Seneca Lake, where the mean elevation at the western terminus is . References External links Cruising Guide to the Cayuga-Seneca Canal Information and Boater's Guide to the New York State Canal System New York State Canals Canals in New York (state) Transportation buildings and structures in Seneca County, New York Tourist attractions in Seneca County, New York Finger Lakes Canals opened in 1818