Seven Natural Regions of Washington State
- Olympic Peninsula: Mountainous northwest; Hoh Rainforest, Olympic National Park, Hurricane Ridge.
- Puget Sound Lowlands: Seattle, Tacoma, Everett; mild climate, lush vegetation.
- Cascade Mountains: Central north-south range; Mt. Rainier, Glacier Peak, Mt. Adams.
- Columbia Basin: East of Cascades; arid, Columbia River, Hanford Site.
- Okanogan Highlands: Northeast rugged mountains; Okanogan River, Colville Reservation.
- Methow Valley: North-central scenic valley; Methow River, North Cascades National Park.
- Spokane Valley: Eastern fertile agricultural region; Spokane River, city of Spokane.