From Wikipedia, the free encyclopedia
The Pecatonica River is a tributary of the Rock River, 120 miles (193 km) long, in
southern Wisconsin and
northern Illinois in the
As it gets closer to the Rock River it obtains more streams. For
instance, the stream in Dodgeville, WI, flows into the Pecatonica
The word Pecatonica is an anglicization of two Algonquian
language words; Bekaa (or Pekaa in some
dialects), which means slow, and niba, which
means water; forming the conjunction Bekaaniba or
It rises in the hills of southwest Wisconsin, in southwest Iowa
County, two miles (3.2 km) west of Cobb. It flows south, then southeast,
past Calamine and Darlington. In southeast Lafayette County it
receives the East Branch Pecatonica
River, approximately eight miles (13 km) north of the state
line. It flows south-southeast into Illinois, past Freeport,
where it turns east, then east-northeast, receiving the Sugar River in northern Winnebago County, five miles
(8 km) south of the state line. It joins the Rock at Rockton,
approximately 15 miles (25 km) north of Rockford.
The river is the chief attraction of the new 1,048-acre (4.2
km²) Pecatonica Wetlands Forest Preserve in Winnebago
County off U.S. Highway 20 near Pecatonica, Illinois. The forest
preserve contains oxbow wetlands and bottomland forest.
The river also flows past the 466-acre (1.9 km²) Pecatonica
River Forest Preserve off Illinois Route 70 near Pecatonica.
The forest preserve contains a bottomland forest designated as an
Illinois Natural Area.
At the mouth of the Pecatonica is the 281-acre (1.1 km²)
Macktown Forest Preserve on Illinois Route 75 near Rockton, the
site of the ghost town
of Macktown or Pe-Katonic. All three forest
preserves are operated by Winnebago County.
The river is the focus of the 110-acre (0.4 km²) Pecatonica
River Woods State Natural Area near Mineral Point, Wisconsin in
Iowa County, owned by the Wisconsin
Department of Natural Resources and designated as a natural
area in 1992. The Pecatonica River Woods was listed on the basis of
possessing a diverse range of forest ecosystems, from southern dry,
through mesic, to floodplain.