East Branch Pecatonica River
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The East Branch Pecatonica River is a tributary of the Pecatonica River, approximately 50 mi (80 km) long, in southwest Wisconsin in the United States.
It rises in the hills of eastern Iowa County, approximately 2 mi (3 km) nort of Barneveld and approximately 25 mi (40 km) west of Madison. It flows south past Barneveld, Blanchardville, and Argyle, and joins the Pecatonica in southeast Lafayette County, approximately 5 km (8 mi) north of the state line with Illinois.