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Ecoregions of Oklahoma

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To check where a specific point lies, you can look it up in our Ecoregion Locator.

Map Legend & Subregion List

This list will help you navigate the regions in case you have problems with viewing or clicking the interactive map above.

NameColor on Map
Rolling Sand Plains
Moderate Relief Plains
Flat Tablelands and Valleys
Caprock Canyons, Badlands, and Breaks
Prairie Tableland
Pleistocene Sand Dunes
Red River Tablelands
Gypsum Hills
Rolling Red Hills
Cross Timbers Transition
Grand Prairie
Arbuckle Uplift
Northwestern Cross Timbers
Northern Post Oak Savanna
Floodplains and Low Terraces
Cretaceous Dissected Uplands
Blackland Prairie
Lower Canadian Hills
Western Ouachitas
Springfield Plateau
Dissected Springfield Plateau-Elk River Hills
Lower Boston Mountains
Pleistocene Fluvial Terraces
Red River Bottomlands
Athens Plateau
Scattered High Ridges and Mountains
Arkansas River Floodplain
Osage Cuestas
Cherokee Plains
Canadian/Cimarron High Plains
Canadian/Cimarron Breaks
Red Prairie
Broken Red Plains
Mesa de Maya/Black Mesa
Western Cross Timbers
Wichita Mountains
Salt Plains
Limestone Hills
Flint Hills
Arbuckle Mountains
Northern Cross Timbers
Eastern Cross Timbers
Central Mountain Ranges
Fourche Mountains
Western Ouachita Valleys
Arkansas Valley Plains

† Status: ✓ = Complete ○ = Needs Image … = Incomplete ∅ = Stub Only


Partially Complete
With Images
Complete w/ Images

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