|Location||Osceola Township, Houghton County, Michigan|
|Primary inflows||Traprock River|
|Basin countries||United States|
|Max. length||6 mi (9.7 km)|
|Max. width||1.5 mi (2.4 km)|
|Surface area||2,659 acres (11 km2)|
|Max. depth||120 ft (37 m)|
|Surface elevation||600 feet (180 m)|
Torch Lake is an approximately 2,700-acre (11 km2) lake lying mostly within Torch Lake Township with portions within Osceola and Schoolcraft townships in Houghton County in the U.S. state of Michigan. The lake is fed by the Traprock River.
The village of Lake Linden at the north end of the lake was once the site of the largest copper milling operation in North America. About 200 million short tons (180×106 t) of copper mill stamp sands were dumped into Torch Lake itself, filling about 20 percent of the lake's volume. The Environmental Protection Agency believes the contaminated sediments to be 70 feet (21 m) thick in some areas, and surface sediments contain up to 2,000 parts per million (ppm) of copper.
The lake is about five miles (8.0 km) east-northeast of Houghton and is approximately six miles (9.7 km) long and 1 1⁄2 miles (2.4 km) wide at . The lake has a total surface area of 2,659 acres (11 km2), and a maximum depth of 120 feet (37 m). A channel drains from the lake south into Torch Bay, which opens into Portage Lake.
Keweenaw County is a county in the Upper Peninsula of the U.S. state of Michigan, the state's northernmost county. As of the 2010 United States Census, the population was 2,156, making it Michigan's least populous county. It is also the state's largest county by total area, when the waters of Lake Superior are included in the total. The county seat is Eagle River.
Houghton County is a county in the Upper Peninsula in the U.S. state of Michigan. As of the 2010 census, the population was 36,628. The county seat and largest city is Houghton. Both the county and the city were named for Michigan State geologist and Detroit Mayor Douglass Houghton.
Spurr Township is a civil township of Baraga County in the U.S. state of Michigan. The population was 276 at the 2010 census.
Adams Township is a civil township of Houghton County in the U.S. state of Michigan. As of the 2000 census, the township population was 2,747.
Calumet Charter Township is a charter township of Houghton County in the U.S. state of Michigan. The population was 6,489 at the 2010 census, down from 6,997 at the 2000 census. Even with a decreasing population, the township remains the largest township by population in Houghton County.
Elm River Township is a civil township of Houghton County in the U.S. state of Michigan. The population was 169 at the 2000 census.
Osceola Township is a civil township of Houghton County in the U.S. state of Michigan. The population was 1,908 at the 2000 census.
Portage Charter Township is a charter township of Houghton County in the U.S. state of Michigan. As of the 2010 census, the township population was 3,221. The city of Houghton is adjacent to the north side of the township. Portage Lake is the eastern boundary in the north, and the township extends well south of Houghton to the Baraga County line.
Torch Lake Township is a civil township of Houghton County in the U.S. state of Michigan. As of the 2010 census, the population of the township was 1,880. The township was established in 1886 and is one of the largest townships in Houghton County by area. It is surrounded by the Torch Lake, the Portage Lake, and Lake Superior. As well as a large number of unincorporated communities, the township also includes a portion of the Baraga State Forest which lies along the shores of Keweenaw Bay. The township borders Schoolcraft Township to the north, Osceola Township to the northwest, and Chassell Township to the southwest. The community of Hubbell serves as the major population center of the township, as well as hosting the Township Hall itself. The mostly uninhabited 91-acre Rabbit Island, located offshore in Lake Superior, is a part of the township.
Allouez Township is a civil township of Keweenaw County in the U.S. state of Michigan. As of the 2010 census, the township population was 1,571.
Torch Bay is a freshwater bay connecting Torch Lake with Portage Lake in Houghton County on the Keweenaw Peninsula, which juts into Lake Superior from the Upper Peninsula of Michigan. It is lined by the unincorporated settlements of Dreamland, Point Mills and Senter and by wooded hills of as much as 200 feet in height.
The Kalamazoo River is a river in the U.S. state of Michigan. The river is 130 miles (210 km) long from the junction of its North and South branches to its mouth at Lake Michigan, with a total length extending to 178 miles (286 km) when one includes the South Branch. The river's watershed drains an area of approximately 2,020 square miles (5,200 km2) and drains portions of eight counties in southwest Michigan: Allegan, Barry, Eaton, Van Buren, Kalamazoo, Calhoun, Jackson, Hillsdale, Kent and Ottawa. The river has a median flow of 1,863 cubic feet per second (52.8 m3/s) at New Richmond, upstream from its mouth at Saugatuck.
The Bay Mills Indian Community (BMIC), known in Ojibwe as Gnoozhekaaning, is an Indian reservation forming the land base of one of the many federally recognized Sault Ste. Marie bands of Chippewa.
Houghton Lake is a large lake in Roscommon County, Michigan. The unincorporated community of Prudenville is at the southeastern end of the lake, while the unincorporated communities of Houghton Lake and Houghton Lake Heights are on the southwest and west shores. It is the largest inland lake in the state of Michigan, and one of the largest natural inland lakes in the United States. The lake is approximately 10 miles (16 km) north to south, and about 5 1⁄2 miles (8.9 km) at it widest point. Houghton Lake has c. 30 miles (48 km) of total shoreline and its waters cover 20,044 acres (81.12 km2). It is an extremely popular resort and fishing area year round. Houghton Lake is the site of Tip-Up-Town USA, a large ice fishing and winter sports festival with several events on the frozen waters of the lake itself. Houghton Lake is named after the first state geologist, Douglass Houghton who explored the area. Houghton County, in the Upper Peninsula of Michigan is also named after Douglass Houghton. The name of the lake is pronounced by Michigan citizens as "HOTE'n" (/ˈhoʊʔn̩/).
The River Rouge is a 127-mile river in the Metro Detroit area of southeastern Michigan. It flows into the Detroit River at Zug Island, which is the boundary between the cities of River Rouge and Detroit.
Keweenaw National Historical Park is a unit of the U.S. National Park Service. Established in 1992, the park celebrates the life and history of the Keweenaw Peninsula in the Upper Peninsula of the U.S. state of Michigan. As of 2009, it is a partly privatized park made up of two primary units, the Calumet Unit and the Quincy Unit, and 21 cooperating "Heritage Sites" located on federal, state, and privately owned land in and around the Keweenaw Peninsula. The National Park Service owns approximately 1,700 acres (690 ha) in the Calumet and Quincy Units. Units are located in Baraga, Houghton, Keweenaw, and Ontonagon counties.
Otter Lake is the name of several lakes in the U.S. state of Michigan.
Torch Lake at 19 miles (31 km) long is Michigan's longest inland lake and at approximately 18,770 acres (76 km²) is Michigan's second largest inland lake. Surrounding it are several townships including Torch Lake Township, Central Lake Township, Forest Home Township, Helena Township, and Milton Township in Antrim County and Clearwater Township in Kalkaska County, Michigan. Several villages and hamlets lie along its shore, including Alden, Eastport, Clam River, and Torch Lake. The lake is about 17 miles (27 km) northeast of Traverse City and is separated by narrow strips of land from both Grand Traverse Bay on the northwest and Elk Lake at the southwest end. The lake is about two miles (3.2 km) wide and is centered at. It has a maximum depth of 285 feet (87 m) just off the east end of Campbell Rd. and an average depth of 111 feet (34 m), making it Michigan's deepest inland lake, as well as the state's largest by volume. It is a popular lake for fishing, featuring lake trout, rock bass, yellow perch, smallmouth bass, muskellunge, Pike, ciscoes, brown trout, steelhead, rainbow trout, Atlantic salmon and whitefish.
Copper mining in Michigan became an important industry in the 19th and early 20th centuries. Its rise marked the start of copper mining as a major industry in the United States.
The Quincy Smelter, also known as the Quincy Smelting Works, is a former copper smelter located on the north side of the Keweenaw Waterway in Ripley, Michigan. It is a contributing property of the Quincy Mining Company Historic District, a National Historic Landmark District. The smelter was built in 1898 by the Quincy Mining Company, operating from 1898 to 1931 and again from 1948 to 1971. The smelter was part of a Superfund site from 1986 to 2013.