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194 miles

Pecatonica River

The Pecatonica is a tributary of the Rock River in southern Wisconsin and northern Illinois. Its name comes from Algonquian words meaning slow water.

N20 mi
Course of the river, simplified. Map data © OpenStreetMap contributors.
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River facts

Length194 miles
SourceSouthwest Iowa County, Wisconsin
MouthRock River at Rockton, Illinois

The river flows past Freeport and receives the Sugar River near Shirland. Two Rivers Forest Preserve, at the confluence with the Sugar River, provides public boat launches.

Listed fish are the species named for the river on its Wikipedia page. Check the Illinois Department of Natural Resources for river-specific regulations before you fish.

Source: Pecatonica River (Wikipedia)

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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.