Mercer is a town in southern Iron County, Wisconsin, United States. The population was 1,732 at the 2000 census. The census-designated place of Mercer and the unincorporated communities of Carter and Manitowish are located within the town. Mercer identifies itself as the "Loon Capital of the World" to promote tourism. A wildlife study found Mercer had the highest concentration of common loons in the world. In front of the Mercer Chamber of Commerce's information center, there is a 16-foot (4.9 m), 2,000-pound (910 kg) statue named "Claire de Loon". Mercer also hosts an annual "Loon Day" festival, which features an arts and crafts fair, live music and a loon calling contest.

Lac du Flambeau is a town in Vilas County, Wisconsin, United States. The population was 3,004 at the 2000 census. The land base of the Lac du Flambeau Band of Lake Superior Chippewa is located within the town and also consists of a large portion of the town. The Lac du Flambeau census-designated place is located within the town. The unincorporated community of Marlands is also located in the town. Lac du Flambeau, situated around Flambeau Lake, is a year-round vacation destination.

Boulder Junction is a town in Vilas County, Wisconsin, United States. The population was 958 at the 2000 census.

The Turtle-Flambeau Flowage is a 12,942 acres (52.37 km2) lake, in Iron County, Wisconsin. It has a maximum depth of 15 meters and is the seventh largest lake in the state of Wisconsin by surface area. The flowage is home to unique wetland patterns and plant species as well as several species of sport and game fish, including Musky, Panfish, Largemouth Bass, Smallmouth Bass, Northern Pike, Walleye and Sturgeon. The lake's water clarity is low, but can vary in different locations in the lake. Fishing, camping, boating, and hunting are popular activities on the flowage, and Ojibwe people traditionally harvest fish and game on the lake. Environmental concerns on the flowage include mercury contamination, algal blooms, and several types of invasive species.