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United States Rivers

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Illinois River

StatesIllinois
Length273.2 miles
Watershed Length*7,457 miles
MouthMississippi River Gulf of Mexico
GNIS410769

Tributaries

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Name Distance
from Mouth
(miles)
 Length
 (miles)
 Watershed
Length
(miles)
Apple Creek367099
Aux Sable Creek2692159
Big Bureau Creek20874194
Big Sandy Creek484072
Blue Creek571919
Cedar Creek2221717
Clear Creek2001616
Coon Run652020
Copperas Creek137657
Covel Creek2371919
Crane Creek841616
Crow Creek1923333
Crow Creek1831855
Des Plaines River273133574
Farm Creek1622020
Fox River241202682
Hog Run2551717
Hurricane Creek411616
Indian Creek773991
Kankakee River273133908
Kickapoo Creek1594670
Lamarsh Creek149226
La Moine River82125452
Little Vermilion River2273535
Mackinaw River147130370
Macoupin Creek21100303
Mauvaise Terre Creek625065
Mazon River26528178
McKee Creek6573112
Nettle Creek2642539
Otter Creek132323
Otter Creek1113232
Sandy Creek1973043
Sangamon River882471,341
Senachwine Creek1832929
Senachwine Creek2062121
Snag Creek1832828
Spoon River120147514
Spring Creek2202626
Sugar Creek934242
Vermilion River22875386
Walnut Creek552222
Waupecan Creek2633046
Watercourse ‐ ‐ ‐ Watershed

* Note: Watershed is mostly rivers/streams 15+ miles in length.


Data from United States Geological Survey