Sportfischer
Lake Petenwell is Wisconsin's second largest lake at or approximately . It was created in 1948 by the Wisconsin River Power Company with the construction of a dam across the Wisconsin River near Necedah. It has a maximum depth of and is used for skiing, sailing and fishing. Private lakefront property is very limited as most of the virgin shoreline is undeveloped forest. Wildlife includes wintering bald eagles. Game fish include walleye, northern pike, bass, panfish, and muskellunge.