Home » Regions » North America » The United States » California

Ecoregions of California

Last updated: September 29th, 2019

Page contents

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
Sierra Nevada-Influenced Semiarid Hills and Basins∅
Upper Owens Valley∅
Sierra Nevada-Influenced High Elevation Mountains∅
Sierra Nevada-Influenced Ranges∅
Tonopah Basin∅
Eastern Mojave Low Ranges and Arid Footslopes∅
Eastern Mojave Basins∅
Eastern Mojave Mountain Woodland and Shrubland∅
Arid Valleys and Canyonlands∅
Mojave Playas∅
Western Mojave Basins∅
Amargosa Desert∅
Western Mojave Low Ranges and Arid Footslopes∅
Death Valley/Mojave Central Trough∅
Western Mojave Mountain Woodland and Shrubland∅
Mojave Lava Fields∅
Fort Bragg/Fort Ross Terraces∅
Coastal Lowlands∅
Point Reyes/Farallon Islands∅
Santa Cruz Mountains∅
San Mateo Coastal Hills∅
High Southern Cascades Montane Forest∅
Low Southern Cascades Mixed Conifer Forest∅
Sierran Alpine∅
Northern Sierra Subalpine Forests∅
Northeastern Sierra Mixed Conifer-Pine Forests∅
Northern Sierra Upper Montane Forests∅
Eastern Sierra Mojavean Slopes∅
Southern Sierra Upper Montane Forests∅
Central Sierra Mid-Montane Forests∅
Central Sierra Lower Montane Forests∅
Southern Sierra Subalpine Forests∅
Temblor Range/Elk Hills∅
Tehama Terraces∅
Foothill Ridges and Valleys∅
North Coast Range Eastern Slopes∅
Western Valley Foothills/Dunnigan Hills∅
Mayacmas Mountains∅
Napa-Sonoma-Lake Volcanic Highlands∅
Marin Hills∅
Bay Flats∅
San Francisco Peninsula…
Bay Terraces/Lower Santa Clara Valley∅
Upper Santa Clara Valley∅
Monterey Bay Plains and Terraces∅
Western Klamath Low Elevation Forests∅
Rogue/Illinois/Scott Valleys∅
Eastern Klamath Montane Forests∅
Western Klamath Montane Forests∅
Eastern Klamath Low Elevation Forests∅
Klamath Subalpine∅
Duzel Rock∅
Outer North Coast Ranges∅
High North Coast Ranges∅
Northern Terraces∅
North Valley Alluvium∅
Southern Hardpan Terraces∅
Butte Sink/Sutter and Colusa Basins∅
Sacramento/Feather Riverine Alluvium∅
Yolo Alluvial Fans∅
San Joaquin Basin∅
Manteca/Merced Alluvium∅
Westside Alluvial Fans and Terraces∅
Granitic Alluvial Fans and Terraces∅
Panoche and Cantua Fans and Basins∅
Tulare Basin/Fresno Slough∅
Southern Clayey Basins∅
Pluvial Lake Basins∅
Sand Hills/Sand Dunes∅
Western Sonoran Mountains∅
Upper Coachella Valley and Hills∅
Imperial/Lower Coachella Valleys∅
Lower Colorado/Lower Gila River Valleys∅
Central Sonoran/Colorado Desert Mountains∅
Central Sonoran/Colorado Desert Basins∅
Santa Barbara Coastal Plain and Terraces∅
Oxnard Plain and Valleys∅
Venturan-Angeleno Coastal Hills∅
Los Angeles Plain∅
Diegan Coastal Terraces∅
Diegan Coastal Hills and Valleys∅
Diegan Western Granitic Foothills∅
Northern Channel Islands∅
Southern Channel Islands∅
Inland Valleys∅
Inland Hills∅
Santa Ana Mountains∅
Western Transverse Range Lower Montane Shrub and Woodland∅
Arid Montane Slopes∅
Southern California Lower Montane Shrub and Woodland∅
Southern California Montane Conifer Forest∅
Northern Transverse Range∅
Klamath Juniper Woodland/Devils Garden∅
Klamath/Goose Lake Basins∅
Pit River Valleys∅
Shasta Valley∅
Warner Mountains∅
Mono-Adobe Valleys∅
Sierra Valley∅
Bishop Volcanic Tableland∅
Lahontan and Tonopah Playas∅
Tonopah Sagebrush Foothills∅
Mesquite Flat/Badwater Basin∅
Mojave Sand Dunes∅
Western Mojave High Elevation Mountains∅
Northern Franciscan Redwood Forest∅
King Range/Mattole Basin∅
Coastal Franciscan Redwood Forest∅
Serpentine Siskiyous∅
Inland Siskiyous∅
Coastal Siskiyous∅
Klamath River Ridges∅
Border High-Siskiyous∅
Cascade Subalpine/Alpine∅
California Cascades Eastside Conifer Forest∅
Southern Cascades Foothills∅
Western Sonoran Mountain Woodland and Shrubland∅
Western Sonoran Basins∅
Eastern Sierra Great Basin Slopes∅
Northern Sierra Mid-Montane Forests∅
Northern Sierra Lower Montane Forests∅
Southern Sierra Mid-Montane Forests∅
Southern Sierra Lower Montane Forest and Woodland∅
Tehachapi Mountains∅
Santa Lucia Coastal Forest and Woodland∅
Interior Santa Lucia Range∅
Southern Santa Lucia Range∅
Paso Robles Hills and Valleys∅
Salinas-Cholame Hills∅
Eastern Hills∅
Pleasant Valley/Kettleman Plain∅
Tuscan Flows∅
Upper Sacramento River Alluvium∅
Grapevine Transition∅
Tehachapi Foothills∅
Cuyama Valley∅
Carrizo Plain∅
Caliente Range∅
Northern Sierran Foothills∅
Solomon-Purisima-Santa Ynez Hills∅
Santa Maria/Santa Ynez Valleys∅
Southern Sierran Foothills∅
Camanche Terraces∅
Clear Lake Hills and Valleys∅
Napa-Sonoma-Russian River Valleys∅
Sonoma-Mendocino Mixed Forest∅
Bodega Coastal Hills∅
Suisun Terraces and Low Hills∅
East Bay Hills/Western Diablo Range∅
Salinas Valley∅
Northern Santa Lucia Range∅
Livermore Hills and Valleys∅
Leeward Hills∅
Gabilan Range∅
Diablo Range∅
Sonoran Playas∅
Marble/Salmon Mountains-Trinity Alps∅
Scott Mountains∅
Sutter Buttes∅
Yolo/American Basin∅
Stockton Basin∅
Lodi Alluvium∅
Kern Terraces∅
South Valley Alluvium∅
Antelope Plain∅
Delta∅
Semiarid Uplands∅
High Lava Plains∅
Southern California Subalpine/Alpine∅
Arizona Upland/Eastern Sonoran Mountains∅
Morena/Boundary Mountain Chaparral∅
Western Transverse Range Montane Forest∅
Fremont Pine/Fir Forest∅
Southern Cascades Slope∅
Likely Tableland∅
Modoc/Lassen Juniper-Shrub Hills and Mountains∅
Adin/Horsehead Mountains Forest and Woodland∅
High Elevation Warner Mountains∅
Adin/Dixie Low Hills∅
Modoc Lava Flows and Buttes∅
Old Cascades∅

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

↑Progress

Partially Complete
1%
With Images
0%
Complete w/ Images
0%

Get involved! You can help our ecoregion articles progress faster. Help us find photos of these regions. Contact us if you have any additions or corrections to any of these articles. You can also donate to support our ongoing work.

FacebookTwitterInstagram