 According to the United States Census Bureau, the township has a total area of , of which is land and , or 17.76%, is water.The Tahquamenon River flows eastward across the center of the township, entering Whitefish Bay at the community of Emerson, just north of Tahquamenon Bay.The river drops over Lower Tahquamenon Falls within the township; Tahquamenon Falls State Park occupies a large portion of the township on either side of the river.