The Swan River is a 17.3 miles (27.8 km) river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 in Presque Isle County, Michigan

Presque Isle County, Michigan

Presque Isle County is a county in the U.S. state of Michigan. As of the 2000 census, the population was 14,411. The county seat is Rogers City....

. It originates in a swamp south of Belknap and east of Hawks. It flows generally northeast, between the Trout River

Trout River (Michigan)

The Trout River is an river in Presque Isle County, Michigan, in the United States. It flows into Lake Huron at Rogers City.-References:*...

 and Little Trout River

Little Trout River

The Little Trout River is a river in Presque Isle County, Michigan, in the United States. It is a tributary of Lake Huron.-References:*...

 watersheds. The river enters the small Swan Lake, just southeast of Calcite limestone quarry

Michigan Limestone and Chemical Company

Michigan Limestone and Chemical Company operates the world's largest limestone quarry located near Rogers City, Michigan. It was founded in 1910, however production didn't begin until 1912...

, before reaching its mouth in Lake Huron

Lake Huron

Lake Huron is one of the five Great Lakes of North America. Hydrologically, it comprises the larger portion of Lake Michigan-Huron. It is bounded on the east by the Canadian province of Ontario and on the west by the state of Michigan in the United States...

, in a small bay between Adams Points and Quarry Point. The river is not navigable but provides a salmon

Salmon

Salmon is the common name for several species of fish in the family Salmonidae. Several other fish in the same family are called trout; the difference is often said to be that salmon migrate and trout are resident, but this distinction does not strictly hold true...

 habitat. It is annually stocked with hundreds of thousands of chinook salmon

Chinook salmon

The Chinook salmon, Oncorhynchus tshawytscha, is the largest species in the pacific salmon family. Other commonly used names for the species include King salmon, Quinnat salmon, Spring salmon and Tyee salmon...

 and in the 1980s was also stocked with coho salmon

Coho salmon

The Coho salmon, Oncorhynchus kisutch, is a species of anadromous fish in the salmon family. Coho salmon are also known as silver salmon or "silvers". It is the state animal of Chiba, Japan.-Description:...

 and lake trout

Lake trout

Lake trout is a freshwater char living mainly in lakes in northern North America. Other names for it include mackinaw, lake char , touladi, togue, and grey trout. In Lake Superior, they can also be variously known as siscowet, paperbellies and leans...

.