Iliamna Lake or Lake Iliamna is a lake in southwest Alaska, at the north end of the Alaska Peninsula, between Kvichak Bay and Cook Inlet, about 100 miles (160 km) west of Seldovia, Alaska. It is the largest lake in Alaska, eighth largest lake in the United States of America, and one of the largest in North America, covering about 2,600 km² (1,000 sq. miles). The lake is 77 miles (124 km) long and up to 22 miles (35 km) wide, with a maximum depth of 988 feet (301 m). Through the Kvichak River, its waters drain into Bristol Bay.