Paul and Peter are two connected lakes located in Michigan's upper peninsula near the Wisconsin border in Vilas County (WI) and Gogebic County (MI). Paul and Peter are kettle lakes, which is a type of lake formed by glaciers. Peter Lake is larger with an area of 6.24 acres and a maximum depth of 19.6 meters while Paul Lake has an area of 4.12 acres and a maximum depth of 15 meters. The lakes are a part of the University of Notre Dame Environmental Research Center (UNDERC). The lakes, bogs, streams, and marshes of the UNDERC are located within deciduous and coniferous forests. The surrounding forest is made up mostly of sugar maple, yellow birch, and balsam fir. The two lakes are ideal for performing whole lake experiments since one lake can receive treatments while the other can remain a c