Geography

According to the U.S. Census Bureau, the county has a total area of 864 square miles (2,240 km²), of which 692 square miles (1,790 km²) is land and 172 square miles (450 km²) (20%) is water.^[3]
Cayuga County is located in the west central part of the state, in the Finger Lakes region. Owasco Lake is in the center of the county, and Cayuga Lake forms part of the western boundary. Lake Ontario is on the northern border, and Skaneateles Lake and Cross Lake form part of the eastern border. Cayuga County has more waterfront land than any other county in the state not adjacent to the Atlantic Ocean.

Adjacent counties

• Oswego County – northeast
• Onondaga County – east
• Cortland County – southeast
• Tompkins County – south
• Seneca County – west
• Wayne County – west
• Prince Edward County, Ontario – north

Major highways

• Interstate 90 (New York State Thruway)
• U.S. Route 20
• New York State Route 3
• New York State Route 5
• New York State Route 31
• New York State Route 34
• New York State Route 38
• New York State Route 90
• New York State Route 104

National protected area

• Montezuma National Wildlife Refuge (part)