Farm or Ranch for sale by owner in Posen, MI 49776. 30+ acres located 15 miles NW of Alpena, MI. 9 miles SE of Posen. Located on a dead end road. 6 acre, private, man-made, spring fed lake perfect for swimming, fishing or farm irrigation. 12' - 20' deep. Lake is fully stocked with rainbow trout, perch, bass, plus other varieties of fish. ... more.