Tree Lake is a 71.3 acre hard water drainage lake with an estimated volume of 1,051 acre feet, located in the Township of Alban, four miles north of Rosholt. It has a maximum depth of 34 feet. The fishery here is made up of largemouth bass, panfish, and northern pike. On the southeast shore of the lake Peterson Park offers a beach, facilities, boat launch ramp, and plenty of parking, all of which is open to the public. The shoreline is heavily developed.