Kiwassa Lake, originally called Lonesome Pond, is a 280-acre lake in the north-central Adirondack Park, south of Dewey Mountain, between Lower Saranac Lake and Oseetah Lake, two miles southwest of the village of Saranac Lake, New York, United States.[1] It drains into Lake Oseetah, and thence into the Saranac River. The westernmost shore line is owned by New York State.