 The Five Mile River is a short river that connects the outflow portion of Brooks Pond located at the boundary between the towns of North Brookfield and Spencer, and Lake Lashaway located downstream in North Brookfield.The river is a tributary, via the East Brookfield River, to the Quaboag River and is part of the Chicopee River Watershed.The Five Mile has been harnessed as a source of power for saw and grist mills and colonial foundry according to historical documentation.