High Quality Content by WIKIPEDIA articles! Letchworth State Park is a New York state park located 35 miles (56 km) southwest of Rochester and 60 miles (95 km) southeast of Buffalo in Livingston (towns of Leicester, Mount Morris, and Portage) and Wyoming (towns of Castile and Genesee Falls) counties. The park is roughly 17 miles (24 km) long, covering 14,350 acres (58 km2) of land along the Genesee River.