The Little Black River is a 4.5 miles (7.2 km) river in Wylie Township, in northwestern Red Lake County, Minnesota

Minnesota

Minnesota is a U.S. state located in the Midwestern United States. The twelfth largest state of the U.S., it is the twenty-first most populous, with 5.3 million residents. Minnesota was carved out of the eastern half of the Minnesota Territory and admitted to the Union as the thirty-second state...

. From its source (47.960°N 96.450 °W) — Goose Lake Swamp in the Pembina State Wildlife Management Area — the river runs south and southeast to the Black River, a tributary

Tributary

A tributary or affluent is a stream or river that flows into a main stem river or a lake. A tributary does not flow directly into a sea or ocean...

 of the Red Lake River

Red Lake River

The Red Lake River is a river located in northwestern Minnesota. The river begins on the western side of the Lower Red Lake and flows westward. After passing through Thief River Falls, Red Lake Falls, and Crookston, the river merges with the Red River of the North in East Grand Forks. The total...

. Its waters ultimately drain via Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

's Nelson River

Nelson River

The Nelson River is a river of north-central North America, in the Canadian province of Manitoba. Its full length is , it has mean discharge of , and has a drainage basin of , of which is in the United States...

 into Hudson Bay

Hudson Bay

Hudson Bay , sometimes called Hudson's Bay, is a large body of saltwater in northeastern Canada. It drains a very large area, about , that includes parts of Ontario, Quebec, Saskatchewan, Alberta, most of Manitoba, southeastern Nunavut, as well as parts of North Dakota, South Dakota, Minnesota,...

.