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Ecoregions of Oregon

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
Umatilla Plateau∅
Pleistocene Lake Basins∅
Yakima Folds∅
Canyons and Dissected Highlands∅
Melange∅
Deep Loess Foothills∅
Blue Mountain Basins∅
Wallowas/Seven Devils Mountains∅
Mesic Forest Zone∅
Canyons and Dissected Uplands∅
Continental Zone Highlands∅
Continental Zone Foothills∅
Subalpine-Alpine Zone∅
Deschutes River Valley∅
Treasure Valley∅
Volcanics∅
Coastal Lowlands∅
Coastal Uplands∅
Cowlitz/Chehalis Foothills∅
Willamette River and Tributaries Gallery Forest∅
Prairie Terraces∅
Valley Foothills…
Western Cascades Montane Highlands∅
Cascade Crest Montane Forest∅
High Southern Cascades Montane Forest∅
Umpqua Interior Foothills∅
Dissected High Lava Plateau∅
Pluvial Lake Basins∅
High Desert Wetlands∅
Semiarid Uplands∅
Salt Shrub Valleys∅
Klamath Juniper Woodland/Devils Garden∅
Klamath/Goose Lake Basins∅
Warner Mountains∅
John Day/Clarno Highlands∅
Deschutes/John Day Canyons∅
Maritime-Influenced Zone∅
Umatilla Dissected Uplands∅
John Day/Clarno Uplands∅
Cold Basins∅
Unwooded Alkaline Foothills∅
Cascade Subalpine/Alpine∅
Willapa Hills∅
Mid-Coastal Sedimentary∅
Southern Oregon Coastal Mountains∅
Northern Franciscan Redwood Forest∅
Portland/Vancouver Basin…
Serpentine Siskiyous∅
Inland Siskiyous∅
Coastal Siskiyous∅
Klamath River Ridges∅
Border High-Siskiyous∅
Western Cascades Lowlands and Valleys∅
Low Southern Cascades Mixed Conifer Forest∅
Barren Playas∅
Rogue/Illinois/Scott Valleys∅
Oak Savanna Foothills∅
High Lava Plains∅
Owyhee Uplands and Canyons∅
Partly Forested Mountains∅
Pumice Plateau Basins∅
Grand Fir Mixed Forest∅
Oak/Conifer Foothills✓
Ponderosa Pine/Bitterbrush Woodland∅
Pumice Plateau∅
Fremont Pine/Fir Forest∅
Southern Cascades Slope∅
Old Cascades∅

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

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