Cayuga Lake (/keɪˈjuːɡə/ or /kaɪˈjuːɡə/)  is the longest of central New York's glacial Finger Lakes, and is the second largest in surface area (marginally smaller than Seneca Lake) and second largest in volume. It is just under 40 miles (64 km) long. Its average width is 1.7 miles (2.7 km), and it is 3.5 mi wide (5.6 km) at its widest point near Aurora.