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
Cumberland and Oxford Canal Cumberland and Oxford Canal The Cumberland and Oxford Canal was opened in 1832 to connect the largest lakes of southern Maine with the seaport of Portland, Maine. The canal followed the Presumpscot River from Sebago Lake through the towns of Standish, Windham, Gorham, and Westbrook. The Canal diverged from the river at Westbrook to reach the navigable Fore River estuary and Portland Harbor. The canal required 27 locks to reach Sebago Lake at an elevation of above sea level. One additional lock was constructed in the Songo River to provide of additional elevation to reach Long Lake from Sebago Lake.