Conesus Lake is located in Livingston County, New York. Conesus Lake is the westernmost of New York's eleven Finger Lakes. It is located off Interstate 390 about 15 miles (24 km) south of Interstate 90.

Livingston County is a county in the U.S. state of New York. As of the 2020 census, the population was 61,834. Its county seat is Geneseo. The county is named after Robert R. Livingston, who helped draft the Declaration of Independence and negotiated the Louisiana Purchase. The county is part of the Finger Lakes region of the state.