The Potawatomi Islands in February as the ice is breaking up. The edge of the Garden Peninsula to the north is on the left, and the edge of the Door Peninsula to the south is on the right.
The Potawatomi Islands is the most common historic name given to the string of islands that delineate the transition from Green Bay to Lake Michigan, one of the Great Lakes. The archipelago is also termed the "Grand Traverse Islands".
The largest of the islands is Washington Island, in Door County, Wisconsin. [1] Washington Island accounts for 62% of the islands' combined surface area. [2] Others include Plum Island, Detroit Island, Hog Island, Pilot Island, and Rock Island in Wisconsin and Little Gull Island, Summer Island, Little Summer Island, Poverty Island, Rocky Island, and St. Martin Island in Michigan.
The broader term "Green Bay Islands" is used when additional islands located to the southwest are included in the island group. [3]
Lake Michigan is one of the five Great Lakes of North America. It is the second-largest of the Great Lakes by volume and the third-largest by surface area, after Lake Superior and Lake Huron. To the east, its basin is conjoined with that of Lake Huron through the 3+1⁄2 miles wide, 295 feet deep, Straits of Mackinac, giving it the same surface elevation as its easterly counterpart; the two are technically a single lake.
Door County is the easternmost county in the U.S. state of Wisconsin. As of the 2020 census, the population was 30,066. Its county seat is Sturgeon Bay. It is named after the strait between the Door Peninsula and Washington Island. The dangerous passage, known as Death's Door, contains shipwrecks and was known to Native Americans and early French explorers. The county was created in 1851 and organized in 1861. Nicknamed the “Cape Cod of the Midwest,” Door County is a popular Upper Midwest vacation destination. It is also home to a small Walloon population.
Fairbanks Township is a civil township of Delta County in the U.S. state of Michigan. As of the 2010 census, the township population was 281, down from 321 at the 2000 census.
Porte des Morts, also known as Porte des Mortes, the Door of Death, and Death's Door is a strait linking Lake Michigan and Green Bay between the northern tip of the Door Peninsula and the southernmost of the Potawatomi Islands. At its narrowest reach between Plum Island and the peninsula, the Porte des Morts Passage is about one and one third miles across. The name is French and means "door of the dead".
The Grand Traverse Band of Ottawa and Chippewa Indians is a federally recognized Native American tribe located in northwest Michigan on the Leelanau Peninsula. Sam McClellan is the current tribal chairman, elected in June 2016 to a four-year term after succeeding Al Pedwaydon, who served from 2012 to 2016.
The Door Peninsula is a peninsula in eastern Wisconsin, separating the southern part of the Green Bay from Lake Michigan. The peninsula includes northern Kewaunee County, northeastern Brown County, and the mainland portion of Door County. It is on the western side of the Niagara Escarpment. Well known for its cherry and apple orchards, the Door Peninsula is a popular tourism destination. With the 1881 completion of the Sturgeon Bay Ship Canal, the northern half of the peninsula became an island.
Gills Rock is an unincorporated community located on Highway 42 at the northern tip of the Door Peninsula in Door County, Wisconsin, United States. It is within the town of Liberty Grove and was formerly known as Hedgehog Harbor.
Washington Island is an island of the state of Wisconsin situated in Lake Michigan. Lying about 7 miles (11 km) northeast of the tip of the Door Peninsula, it is part of Door County, Wisconsin. The island has a year-round population of 708 people according to the 2010 census. It has a land area of 60.89 km² and comprises over 92 percent of the land area of the town of Washington, as well as all of its population. The unincorporated community of Detroit Harbor is situated on the island. It is the largest in a group of islands that includes Plum, Detroit, Hog, Pilot, Fish, and Rock Islands. These islands form the Town of Washington. Detroit Harbor bay is on the south side of the island. A large part of Washington Island's economy is based on tourism.
The Garden Peninsula is a peninsula of 22 miles (35 km) in length that extends southwestward into Lake Michigan from the mainland of Michigan's Upper Peninsula. The peninsula is bordered by Lake Michigan on the east, and by Big Bay de Noc on the west. The base of the peninsula is served by U.S. Highway 2, and the peninsula's west shore is reached by M-183. The largest settlement on the peninsula is the village of Garden.
Rock Island is a mostly wooded island off the tip of Wisconsin's Door Peninsula at the mouth of Green Bay, in Door County, Wisconsin. The 974.87-acre (394.5 ha) island is approximately 1.6 miles (2.6 km) long and 1.1 miles (1.8 km) wide. It rises to 65 meters above Lake Michigan, making it the highest in elevation out of all the Potawatomi Islands. It is almost entirely owned by the Wisconsin Department of Natural Resources, which maintains Rock Island State Park. It is the northernmost part of the town of Washington.
Hog Island is an uninhabited island located off the eastern shore of Washington Island in the town of Washington, Door County, Wisconsin, United States. The island has a land area of 2.14 acres (8,656 m2) and an elevation of 10 feet or 20 feet above Lake Michigan.
Detroit Island is an island in Lake Michigan in the southern part of the town of Washington in Door County, Wisconsin, United States. The island has a land area of 2.578 km², out of which 27.6% is open to the public. The northern end of the island borders the waters of Detroit Harbor.
Plum Island is an island in Lake Michigan in the southern part of the town of Washington in Door County, off the tip of the Door Peninsula in the U.S. state of Wisconsin. The uninhabited island has a land area of 1.179 square kilometres (0.455 sq mi) or 117.87 hectares. Carp Lake is located on the northwestern side. During years when Lake Michigan's water levels are high, it is a lagoon of Lake Michigan, but it gets cut off as a separate lake during low water years.
Potawatomi State Park is a 1,225-acre (496 ha) Wisconsin state park northwest of the city of Sturgeon Bay, Wisconsin in the Town of Nasewaupee. It is located in Door County along Sturgeon Bay, a bay within the bay of Green Bay. Potawatomi State Park was established in 1928.
Green Bay National Wildlife Refuge is a National Wildlife Refuge of the United States located in the state of Wisconsin. It includes five all or part of six islands in Lake Michigan: Hog Island, Plum Island, Pilot Island, part of St. Martin Island and Rocky Island. Additionally it includes part of Detroit Island. The islands are near Washington Island off the tip of the Door Peninsula of Wisconsin and the Garden Peninsula of Michigan.
The Summer Island site, designated 20DE4, is an archaeological site located on the northwest side of Summer Island, in Delta County, Michigan. It is classified as a stratified, multi-component site with Middle Woodland, Upper Mississippian and Early Historic/Protohistoric occupations. It was listed on the National Register of Historic Places in 1971.
The Wisconsin Islands Wilderness is a 29-acre (12 ha) wilderness area located in Door County in northeastern Wisconsin. It is one of the smallest wilderness areas in the United States. Managed by the U.S. Fish & Wildlife Service, the wilderness area is composed of three islands in Lake Michigan.
The flora of Door County, Wisconsin comprise a variety of plant species. Geobotanically, Door County belongs to the North American Atlantic Region.
