| Name |
County |
Location/GPS Coordinates |
Notes |
|---|
| Marcellus Shrub Steppe | Adams | 47.231°N 118.412°W / 47.231; -118.412 (Marcellus Shrub Steppe) | |
| Camas Meadows | Chelan | 47.489°N 120.595°W / 47.489; -120.595 (Camas Meadows) | |
| Entiat Slopes | Chelan | 47.649°N 120.251°W / 47.649; -120.251 (Entiat Slopes) | |
| Upper Dry Gulch | Chelan | 47.331°N 120.149°W / 47.331; -120.149 (Upper Dry Gulch) | |
| Washougal Oaks | Clark | 45.565°N 122.270°W / 45.565; -122.270 (Washougal Oaks) | Largest remaining Garry oak forest in Western Washington[1] |
| The Two-Steppe | Douglas | 47.599°N 119.633°W / 47.599; -119.633 (The Two-Steppe) | |
| Kahlotus Ridgetop | Franklin | 46.695°N 118.555°W / 46.695; -118.555 (Kahlotus Ridgetop) | |
| Castle Rock | Grant | 47.890°N 119.065°W / 47.890; -119.065 (Castle Rock) | |
| Carlisle Bog | Grays Harbor | 47.143°N 124.084°W / 47.143; -124.084 (Carlisle Bog NAP) | Sphagnum bog |
| Chehalis River Surge Plain | Grays Harbor | 46.941°N 123.705°W / 46.941; -123.705 (Chehalis River Surge Plain NAP) | |
| Goose Island | Grays Harbor | 46.979°N 124.070°W / 46.979; -124.070 (Goose Island) | Island in Grays Harbor, sometimes submerged |
| North Bay | Grays Harbor | 47.049°N 124.103°W / 47.049; -124.103 (North Bay NAP) | Sphagnum bog |
| Sand Island | Grays Harbor | 46.962°N 124.062°W / 46.962; -124.062 (Sand Island) | Island in Grays Harbor, sometimes submerged |
| Whitcomb Flats | Grays Harbor | 46.909°N 124.074°W / 46.909; -124.074 (Whitcomb Flats) | Island in Grays Harbor, sometimes submerged |
| Admiralty Inlet | Island | 48.176°N 122.686°W / 48.176; -122.686 (Admiralty Inlet NAP) | Located inside Ebey's Landing National Historical Reserve; population of threatened golden paintbrush[2] |
| Clearwater Bogs | Jefferson | 47.583°N 124.165°W / 47.583; -124.165 (Clearwater Bogs) | Sphagnum bog |
| Dabob Bay | Jefferson | 47.834°N 122.827°W / 47.834; -122.827 (Dabob Bay NAP) | |
| Charley Creek | King | 47.242°N 121.793°W / 47.242; -121.793 (Charley Creek) | |
| Kings Lake Bog | King | 47.596°N 121.779°W / 47.596; -121.779 (Kings Lake Bog NAP) | Sphagnum bog |
| Snoqualmie Bog | King | 47.662°N 121.622°W / 47.662; -121.622 (Snoqualmie Bog NAP) | Sphagnum bog |
| Kitsap Forest | Kitsap | 47.612°N 122.867°W / 47.612; -122.867 (Kitsap Forest) | One of the last old-growth forests in Puget Sound region[3] |
| Badger Gulch | Klickitat | 45.842°N 120.537°W / 45.842; -120.537 (Badger Gulch) | Oak savanna |
| Cleveland Shrub Steppe | Klickitat | 45.961°N 120.376°W / 45.961; -120.376 (Cleveland Shrub Steppe) | |
| Columbia Hills | Klickitat | 45.704°N 121.075°W / 45.704; -121.075 (Columbia Hills NAP) | |
| Monte Cristo | Klickitat | 45.906°N 121.557°W / 45.906; -121.557 (Monte Cristo) | |
| Trout Lake | Klickitat | 46.018°N 121.563°W / 46.018; -121.563 (Trout Lake NAP) | |
| Spring Creek Canyon | Lincoln | 47.750°N 117.889°W / 47.750; -117.889 (Spring Creek Canyon NAP) | |
| Hamma Hamma Balds | Mason | 47.585°N 123.075°W / 47.585; -123.075 (Hamma Hamma Balds NAP) | Rocky balds |
| Ink Blot | Mason | 47.293°N 123.242°W / 47.293; -123.242 (Ink Blot NAP) | Sphagnum bog |
| Oak Patch | Mason | 47.477°N 122.920°W / 47.477; -122.920 (Oak Patch NAP) | |
| Schumacher Creek | Mason | 47.311°N 123.080°W / 47.311; -123.080 (Hamma Hamma Balds NAP) | Also spelled Schumocher Creek
Critically imperiled Sitka alder/skunk cabbage/water parsley community[4] |
| Skookum Inlet | Mason | 47.139°N 123.081°W / 47.139; -123.081 (Skookum Inlet NAP) | |
| Kennedy Creek | Mason and Thurston | 47.095°N 123.080°W / 47.095; -123.080 (Kennedy Creek NAP) | One of the largest Chum salmon spawning areas in the lower Puget Sound[5] |
| Barker Mountain | Okanogan | 48.680°N 119.300°W / 48.680; -119.300 (Barker Mountain NAP) | |
| Chopaka Mountain | Okanogan | 48.975°N 119.780°W / 48.975; -119.780 (Chopaka Mountain NAP) | 2,764 acres (1,119 ha) surrounding summit of Chopaka Mountain[6] |
| Davis Canyon | Okanogan | 48.240°N 119.766°W / 48.240; -119.766 (Davis Canyon NAP) | |
| Methow Rapids | Okanogan | 48.032°N 119.892°W / 48.032; -119.892 (Methow Rapids NAP) | |
| Riverside Breaks | Okanogan | 48.484°N 119.496°W / 48.484; -119.496 (Riverside Breaks NAP) | |
| Bone River | Pacific | 46.659°N 123.870°W / 46.659; -123.870 (Bone River NAP) | |
| Gunpowder Island | Pacific | 46.658°N 124.036°W / 46.658; -124.036 (Gunpowder Island NAP) | |
| Niawiakum River | Pacific | 46.632°N 123.914°W / 46.632; -123.914 (Niawiakum River NAP) | |
| Willapa Divide | Pacific | 46.448°N 123.581°W / 46.448; -123.581 (Willapa Divide NAP) | Old-growth forest[7] |
| Point Doughty | San Juan | 48.708°N 122.941°W / 48.708; -122.941 (Point Doughty NAP) | Adjacent to Point Doughty Recreation Site[8][9] |
| Cypress Highlands | Skagit | 48.579°N 122.725°W / 48.579; -122.725 (Cypress Highlands NAP) | Wetlands and rocky balds |
| Olivine Bridge | Skagit | 48.615°N 121.905°W / 48.615; -121.905 (Olivine Bridge NAP) | Dwarf forest on serpentine soil[10] |
| Skagit Bald Eagle | Skagit | 48.469°N 121.453°W / 48.469; -121.453 (Skagit Bald Eagle NAP) | 1,546 acres (626 ha), part of 8,000-acre (3,200 ha) Skagit River Bald Eagle Natural Area[11] |
| Columbia Falls | Skamania | 45.615°N 122.134°W / 45.615; -122.134 (Columbia Falls NAP) | Threatened Larch Mountain salamander, threatened and sensitive plant species[12] |
| Pinecroft | Spokane | 47.682°N 117.232°W / 47.682; -117.232 (Pinecroft NAP) | |
| Little Pend Oreille River | Stevens | 48.589°N 117.555°W / 48.589; -117.555 (Little Pend Oreille River NAP) | |
| Bald Hill | Thurston | 46.821°N 122.433°W / 46.821; -122.433 (Bald Hill NAP) | Cliffs and rocky balds; over 1,000 plant species[13] |
| Mima Mounds | Thurston | 46.89°N 123.05°W / 46.89; -123.05 (Mima Mounds NAP) | |
| Rocky Prairie | Thurston | 46.918°N 122.859°W / 46.918; -122.859 (Rocky Prairie NAP) | |
| Dailey Prairie | Whatcom | 48.723°N 122.037°W / 48.723; -122.037 (Dailey Prairie NAP) | |
| Selah Cliffs | Yakima | 46.705°N 120.455°W / 46.705; -120.455 (Selah Cliffs NAP) | Near Selah Creek Bridge; largest known population of threatened basalt daisy[14] |