The city of Green Lake is the hub of Green Lake Country. This area of unspoiled beauty offers a perfect setting for four seasons of getaway fun. The shores of Green Lake have been a top tourism destination for more than a century, and the lake is the deepest in the state. Plunging 237 feet, its cool waters harbor an excellent trout and walleye fishery. The area’s resort offerings include water sports of every kind, four excellent golf courses and a beautifully restored opera house.