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Ecoregions of Oklahoma

Last updated: September 30th, 2019

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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.

Name†Color 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

↑Progress

Partially Complete
13%
With Images
7%
Complete w/ Images
7%

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