Four soft water seepage lakes, each separated by an isthmus are the main features of the natural area within the Northern Highland-American Legion State Forest. The lakes are Bittersweet, Oberlin, Smith, and Prong. All have a variety of bottom substrates, ranging from sand and gravel to rock and muck, are slightly acidic, and have relatively high water clarity. The four lakes are connected by short overland portages marked by signs. Primitive camping is available at five reservable shoreline campsites. No motors of any kind are allowed on the four lakes.