This is a list of Natural Area Preserves (NAPs), part of the Washington Natural Areas Program managed by Washington Department of Natural Resources.
| Name | County | Location/GPS Coordinates | Notes | |
|---|---|---|---|---|
| Marcellus Shrub Steppe | Adams | 47.231°N -118.412°W | ||
| Camas Meadows | Chelan | 47.489°N -120.595°W | ||
| Entiat Slopes | Chelan | 47.649°N -120.251°W | ||
| Upper Dry Gulch | Chelan | 47.331°N -120.149°W | ||
| Washougal Oaks | Clark | 45.565°N -122.27°W | Largest remaining Garry oak forest in Western Washington | |
| The Two-Steppe | Douglas | 47.599°N -119.633°W | ||
| Kahlotus Ridgetop | Franklin | 46.695°N -118.555°W | ||
| Castle Rock | Grant | 47.89°N -119.065°W | ||
| Carlisle Bog | Grays Harbor | 47.143°N -124.084°W | Sphagnum bog | |
| Chehalis River Surge Plain | Grays Harbor | 46.941°N -123.705°W | ||
| Goose Island | Grays Harbor | 46.979°N -124.07°W | Island in Grays Harbor, sometimes submerged | |
| North Bay | Grays Harbor | 47.049°N -124.103°W | Sphagnum bog | |
| Grays Harbor | 46.962°N -124.062°W | Island in Grays Harbor, sometimes submerged | ||
| Whitcomb Flats | Grays Harbor | 46.909°N -124.074°W | Island in Grays Harbor, sometimes submerged | |
| Admiralty Inlet | Island | 48.176°N -122.686°W | Located inside Ebey's Landing National Historical Reserve; population of threatened golden paintbrush | |
| Clearwater Bogs | Jefferson | 47.583°N -124.165°W | Sphagnum bog | |
| Dabob Bay | Jefferson | 47.834°N -122.827°W | ||
| Charley Creek | King | 47.242°N -121.793°W | ||
| Kings Lake Bog | King | 47.596°N -121.779°W | Sphagnum bog | |
| Snoqualmie Bog | King | 47.662°N -121.622°W | Sphagnum bog | |
| Kitsap Forest | Kitsap | 47.612°N -122.867°W | One of the last old-growth forests in Puget Sound region | |
| Badger Gulch | Klickitat | 45.842°N -120.537°W | Oak savanna | |
| Cleveland Shrub Steppe | Klickitat | 45.961°N -120.376°W | ||
| Klickitat | 45.704°N -121.075°W | |||
| Monte Cristo | Klickitat | 45.906°N -121.557°W | ||
| Trout Lake | Klickitat | 46.018°N -121.563°W | ||
| Spring Creek Canyon | Lincoln | 47.75°N -117.889°W | ||
| Mason | 47.585°N -123.075°W | Rocky balds | ||
| Mason | 47.293°N -123.242°W | Sphagnum bog | ||
| Oak Patch | Mason | 47.477°N -122.92°W | ||
| Schumacher Creek | Mason | 47.311°N -123.08°W | Also spelled Schumocher Creek Critically imperiled Sitka alder/skunk cabbage/water parsley community | |
| Skookum Inlet | Mason | 47.139°N -123.081°W | ||
| Mason and Thurston | 47.095°N -123.08°W | One of the largest Chum salmon spawning areas in the lower Puget Sound | ||
| Barker Mountain | Okanogan | 48.68°N -119.3°W | ||
| Okanogan | 48.975°N -119.78°W | surrounding summit of Chopaka Mountain | ||
| Davis Canyon | Okanogan | 48.24°N -119.766°W | ||
| Methow Rapids | Okanogan | 48.032°N -119.892°W | ||
| Riverside Breaks | Okanogan | 48.484°N -119.496°W | ||
| Pacific | 46.659°N -123.87°W | |||
| Gunpowder Island | Pacific | 46.658°N -124.036°W | ||
| Niawiakum River | Pacific | 46.632°N -123.914°W | ||
| Willapa Divide | Pacific | 46.448°N -123.581°W | Old-growth forest | |
| Point Doughty | San Juan | 48.708°N -122.941°W | Adjacent to Point Doughty Recreation Site | |
| Cypress Highlands | Skagit | 48.579°N -122.725°W | Wetlands and rocky balds | |
| Olivine Bridge | Skagit | 48.615°N -121.905°W | Dwarf forest on serpentine soil | |
| Skagit Bald Eagle | Skagit | 48.469°N -121.453°W | , part of 8000acres Skagit River Bald Eagle Natural Area | |
| Columbia Falls | Skamania | 45.615°N -122.134°W | Threatened Larch Mountain salamander, threatened and sensitive plant species | |
| Pinecroft | Spokane | 47.682°N -117.232°W | ||
| Little Pend Oreille River | Stevens | 48.589°N -117.555°W | ||
| Bald Hill | Thurston | 46.821°N -122.433°W | Cliffs and rocky balds; over 1,000 plant species | |
| Thurston | 46.89°N -123.05°W | |||
| Rocky Prairie | Thurston | 46.918°N -122.859°W | ||
| Dailey Prairie | Whatcom | 48.723°N -122.037°W | ||
| Selah Cliffs | Yakima | 46.705°N -120.455°W | Near Selah Creek Bridge; largest known population of threatened basalt daisy |