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Physical Map of Iowa - Geographical Features of Iowa

Written and Fact-checked by | Updated On: April 03, 2026 | 15:40 ET

Physical Map of Iowa showing the geographical features of the state such as rivers, lakes, mountain peaks, elevations, plateaus, plains, topography, water bodies and many other Iowa physical features.

Iowa Physical Map

Physical Features of Iowa

Iowa is characterized by gently rolling plains, fertile farmland, and river valleys shaped by glacial activity. Much of the state lies within the Central Lowlands, with rich soils supporting extensive agriculture. The landscape includes low hills, broad prairies, and occasional bluffs along major rivers. The Mississippi River forms the eastern boundary, while the Missouri River borders the west. Numerous smaller rivers and streams flow through the state, creating a landscape defined by smooth terrain and productive agricultural regions.

Major Landforms in Iowa

LandformTypeRegionDescription
Central LowlandsPlainStatewideFlat fertile agricultural land
Driftless AreaUplandNortheastUnglaciated rugged terrain
Loess HillsHillsWestWind-deposited soil ridges
Des Moines LobePlainCentralGlacially shaped landscape
Southern Iowa Drift PlainPlainSouthRolling hills and farmland
Mississippi River ValleyValleyEastDeep river valley
Missouri River ValleyValleyWestWide floodplain valley
Iowan SurfacePlainNorthGently rolling terrain
Alluvial PlainsPlainEastRiver floodplain regions
Prairie Pothole RegionWetlandNorthGlacial depressions with wetlands

Major Rivers and Water Bodies in Iowa

NameTypeRegionNotable Feature
Mississippi RiverRiverEastForms eastern boundary
Missouri RiverRiverWestForms western boundary
Des Moines RiverRiverCentralLongest river in state
Cedar RiverRiverEastMajor tributary system
Iowa RiverRiverCentralFlows to Mississippi
Skunk RiverRiverSoutheastTributary of Mississippi
Spirit LakeLakeNorthwestLargest natural lake
West Okoboji LakeLakeNorthwestDeep glacial lake
Red Rock LakeLakeCentralLargest reservoir
Coralville LakeLakeEastFlood control reservoir

Elevation and Terrain in Iowa

Iowa has modest elevation changes, with its highest point located in the northwest and its lowest point along the Mississippi River. The terrain consists mainly of gently rolling plains, low hills, and river valleys shaped by glacial processes.

FeatureElevation / Detail
Highest PointHawkeye Point – 1,670 ft
Lowest PointMississippi River – 480 ft
Average Elevation1,100 ft
Terrain TypeRolling plains and valleys

Iowa Physical Map Facts

FeatureDetail
StateIowa
Total Area56,273 sq mi
Land Area55,857 sq mi
Water Area416 sq mi
Highest PointHawkeye Point
Lowest PointMississippi River
Longest RiverDes Moines River
Largest LakeSpirit Lake
Major LandformsPlains, Loess Hills
Main Water BodiesMississippi River, Missouri River
Terrain TypeGently rolling plains
CoastlineNo coastline