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The Yahara River is a tributary of the Rock River in southern Wisconsin in the United States. It is about 62 miles (100 km) long[3] (including the distance across intervening lakes), and drains an area of 536 square miles (1,390 km2).[4] Via the Rock River, it is part of the watershed of the Mississippi River. The Yahara River links the lakes around which the city of Madison was built.

Yahara River
Yahara River Viking Park.jpg
The Yahara River near Stoughton
Yahara River WI map.png
A map of the Yahara River and its watershed
CountryUnited States
CountiesDane, Columbia, Rock
Physical characteristics
 ⁃ locationTown of Windsor, Dane County
 ⁃ coordinates43°16′51″N 89°17′36″W / 43.2808235°N 89.293449°W / 43.2808235; -89.293449[2]
 ⁃ elevation1,043 ft (318 m)[1]
MouthRock River
 ⁃ location
Town of Fulton, Rock County
 ⁃ coordinates
42°47′35″N 89°07′22″W / 42.7930621°N 89.1228916°W / 42.7930621; -89.1228916Coordinates: 42°47′35″N 89°07′22″W / 42.7930621°N 89.1228916°W / 42.7930621; -89.1228916[2]
 ⁃ elevation
774 ft (236 m)[2]
Length62 mi (100 km)
Basin size536 sq mi (1,390 km2)
Basin features
Hydrologic Unit Code0709000205, 0709000206, 0709000207, 0709000208, 0709000209 (USGS)



The river rises in the town of Windsor in northern Dane County and flows for a short distance in the town of Leeds in Columbia County, then returns to Dane County and flows southward through the village of DeForest, the incorporated community of Windsor, and the towns of Burke and Westport into Lake Mendota in the city of Madison.

Downstream from Lake Mendota, the river is channelized through the Madison Isthmus southeastward, and flows through Lake Monona, Lake Waubesa and Lake Kegonsa, passing through the city of Monona, the village of McFarland, the towns of Dunn and Pleasant Springs, the city of Stoughton and the town of Dunkirk (including the unincorporated community of Dunkirk) in Dane County; and the towns of Porter (including the unincorporated community of Stebbinsville) and Fulton (including the unincorporated community of Fulton) in northern Rock County. It joins the Rock River in the town of Fulton, approximately 9 miles (14 km) northwest of Janesville.[5]

The U.S. Board on Geographic Names (USBGN) issued a decision clarifying "Yahara River" as the stream's name in 1903. According to the Geographic Names Information System, it has also been known historically as "Catfish River" (Sauk "Myan-mek", Potawatomi "Gooskehawn" [Gishkzhigwen], and Ho-Chunk "Gahara" [howį́ǧera]). The USBGN's 1903 investigation noted that the name "Catfish River" was in widespread use in Rock County at that time, and that "Yahara River" was more commonly used in Dane County.[2]

During World War II, a U.S. Navy gasoline tanker, the USS Yahara (AOG-37), was named after the river.


The river's name comes from the river's Ho-Chunk name "mąą’ii yahara", meaning 'catfish river'.

See alsoEdit


  1. ^ The National Map elevation for GNIS source coordinates. Retrieved 2014-02-14.
  2. ^ a b c d Geographic Names Information System. "Geographic Names Information System entry for Yahara River (Feature ID #1577073)". Retrieved 2014-02-14.
  3. ^ U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed May 13, 2011
  4. ^ U.S. Geological Survey. National Hydrography Dataset. Area data for Yahara River watershed, 10-digit Hydrologic Unit Codes 0709000205, 0709000206, 0709000207, 0709000208, and 0709000209. The National Map, retrieved 2014-03-12
  5. ^ The National Map, accessed 2014-02-14