Hilbert Lake is a 278 acre lake located in Forest, Marinette Counties. It has a maximum depth of 32 feet. Visitors have access to the lake from a couple public boat landings. Fish include largemouth bass, smallmouth bass, northern pike, walleye and panfish. According to the DNR, largemouth bass and panfish are considered common in the lake while smallmouth bass, northern pike and walleye are listed as present.