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about 190 miles

Black River

The Black River rises in Taylor County and flows southwest to La Crosse, where it enters the Mississippi through Lake Onalaska. Its name comes from the tannin-stained water.

OnalaskaMedfordNeillsvilleBlack River FallsGreenwoodN50 mi
Course of the river, simplified. Labeled dots are towns on or near the river. Map data © OpenStreetMap contributors.
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Where the Black River flows

The river runs through or along these 6 counties: Clark County; Jackson County; La Crosse County; Monroe County; Taylor County; Trempealeau County.

Towns and cities within about 2 miles of the river, by county:

Counties from U.S. Census boundaries, places from a public U.S. cities list. Small communities may be missing.

River facts

LengthAbout 190 miles
SourceTaylor County, near Rib Lake
MouthMississippi River at La Crosse, through Lake Onalaska
Main tributariesEast Fork Black River, Little Black River

Impoundments on the river include Lake Arbutus, the Black River Dam at Black River Falls and Lake Onalaska, which has absorbed the river's lower 10 miles.

Lakes and flowages on the Black River

Lakes in our guide on or connected to this river:

Source: Black River (Wisconsin) (Wikipedia)

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View on interactive map

Zoom and pan on a street, satellite or terrain map to follow the river past roads and towns. Red pins are boat ramps and launches. Tap a pin for directions.