Major Landforms of Oklahoma: Plains, Mesas, Mountains, Valleys, Canyons, Lakes

Oklahoma's diverse terrain includes:

1. Plains: Great Plains cover most of the state—High Plains (west), Low Plains (east).
2. Mesas & Buttes: Flat-topped erosional remnants in the Panhandle (e.g., Black Mesa).
3. Mountains: Wichita Mountains (SW); highest point Mount Scott (2,464 ft).
4. Valleys: Arkansas River Valley, Red River Valley—fertile, agricultural.
5. Canyons: Palo Duro Canyon (extends from TX), Black Mesa Canyon.
6. Lakes/Reservoirs: Lake Eufaula, Grand Lake o' the Cherokees, Lake Texoma—recreation, water supply.

This variety supports agriculture, energy, tourism, and biodiversity.