Big Sioux River

E109500 UNEXPLORED

The Big Sioux River is a major tributary of the Missouri River that flows through eastern South Dakota and northwestern Iowa, shaping the region’s landscape and serving as an important natural and recreational resource.

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Observed surface forms (3)

Surface form	Occurrences
Big Sioux River (lower course)	1
Big Sioux River waterfalls	1
River Sioux, Iowa	1

Referenced by (20)

Full triples — surface form annotated when it differs from this entity's canonical label.

Lincoln County, South Dakota → adjacentToRiver → Big Sioux River ⓘ

Hawarden, Iowa → borderFeature → Big Sioux River ⓘ

Lyon County, Iowa → borderFeature → Big Sioux River ⓘ

Minnehaha County, South Dakota → contains → Big Sioux River ⓘ

northwestern Iowa → contains → Big Sioux River ⓘ

this entity surface form: Big Sioux River (lower course)

Harrison County, Iowa → containsCommunity → Big Sioux River ⓘ

this entity surface form: River Sioux, Iowa

Siouxland region → crossesRiver → Big Sioux River ⓘ

Iowa–South Dakota border → follows → Big Sioux River ⓘ

Interstate 29 → followsRiverValley → Big Sioux River ⓘ

Rock County, Minnesota → hasBorderFeature → Big Sioux River ⓘ

Iowa–South Dakota border → hasHydrologicalFeature → Big Sioux River ⓘ

Elk Point, South Dakota → hasNearbyWaterBody → Big Sioux River ⓘ

Canton, South Dakota, United States → hasRiver → Big Sioux River ⓘ

subject surface form: Canton, South Dakota

South Dakota → hasRiver → Big Sioux River ⓘ

Canton, South Dakota, United States → locatedNear → Big Sioux River ⓘ

subject surface form: Canton, South Dakota

Larchwood, Iowa → locatedNear → Big Sioux River ⓘ

Dakota Dunes, South Dakota → locatedNearRiver → Big Sioux River ⓘ

Hawarden, Iowa → locatedOnRiver → Big Sioux River ⓘ

Sioux Falls, South Dakota → locatedOnRiver → Big Sioux River ⓘ

Sioux Falls, South Dakota → namedAfter → Big Sioux River ⓘ

this entity surface form: Big Sioux River waterfalls