Horn Pond is a 227 acre that lies south of Great East Lake and west of Wilson Lake. Horn Pond is located in both Acton, Maine and Wakefield, New Hampshire. It has a 4.8 mile perimeter, a maximum depth of 31’ and an average depth of 12’. Horn Pond is fed by both springs and a few small streams, such as Horse Brook. The lake drains into the Salmon Falls River which forms a natural border between Maine and New Hampshire.