Lisbon, New York of 1812, preceded by a US embargo against trade with Canada, which damaged the upstate economy; and the construction of the Erie Canal in 1824, which enabled transportation between areas accessible to the Great Lakes and New York City. Development and population flowed west. The Town of Lisbon was the first town in the county; it was formed in 1801, before the county was established. The former Lisbon Railroad Depot, now operated as the town museum, was listed on the National Register of Historic Places in 2000. Also listed are the Lisbon Town Hall and United Presbyterian Church. According to
Oswego River (New York) overhaul of the canal system, the Oswego Canal was deepened and refurbished. The canal is now deep and has an overhead clearance of . The Oswego River was listed as a Great Lakes Areas of Concern in The Great Lakes Water Quality Agreement between the United States and Canada until it was formally delisted on July 21, 2006. The river is known for its steelhead run in the early spring, followed by a salmon run in early autumn. The river is stocked annually by the New York State Department of Environmental Conservation with 140,000 Chinook salmon and 20,000 steelhead. Oswego