Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Chief Joseph State Wildlife Recreation Area | Park | 477 | Asotin | 46 01 10 N | 117 01 12 W |
| Chief Looking Glass Park | Park | 230 | Asotin | 46 20 30 N | 117 03 11 W |
| Chief Spokane Monument | Park | 596 | Spokane | 47 41 10 N | 117 26 16 W |
| Chief Timothy State Park | Park | 257 | Asotin | 46 25 03 N | 117 11 19 W |
| Chiliwist State Wildlife Recreation Area | Park | 834 | Okanogan | 48 17 52 N | 119 44 16 W |
| Circle Park | Park | 3 | San Juan | 48 32 11 N | 123 00 54 W |
| Clark Island State Park | Park | 7 | San Juan | 48 42 05 N | 122 45 52 W |
| Clark Park | Park | 29 | Snohomish | 47 59 06 N | 122 12 15 W |
| Clark Playfield | Park | 621 | Spokane | 47 41 40 N | 117 24 45 W |
| Clarke Beach Park | Park | 5 | King | 47 32 00 N | 122 12 54 W |
| Clayton Playground | Park | 41 | Kitsap | 47 32 21 N | 122 38 01 W |
| Clearwater State Park | Park | 22 | Jefferson | 47 34 27 N | 124 17 28 W |
| Cliff Park | Park | 672 | Spokane | 47 38 40 N | 117 25 07 W |
| Clyde Beach Park | Park | 21 | King | 47 36 52 N | 122 13 04 W |
| Coal Creek Park | Park | 111 | King | 47 33 19 N | 122 10 19 W |
| Coeur D'Alene Park | Park | 587 | Spokane | 47 39 14 N | 117 26 40 W |
| Cole Park | Park | 319 | Douglas | 47 57 57 N | 118 59 11 W |
| Colfax Little League Park | Park | 601 | Whitman | 46 54 05 N | 117 21 01 W |
| Colman Park | Park | 23 | King | 47 35 09 N | 122 17 21 W |
| Colockum State Wildlife Area | Park | 1709 | Kittitas | 47 14 22 N | 120 18 49 W |
| Columbia National Wildlife Refuge | Park | 233 | Grant | 46 51 04 N | 119 32 12 W |
| Columbia Park | Park | 65 | King | 47 33 27 N | 122 16 07 W |
| Columbia Park (historical) | Park | 104 | Benton | 46 14 08 N | 119 12 19 W |
| Columbia Point Marina Park | Park | 110 | Benton | 46 15 46 N | 119 15 15 W |
| Columbian White-Tailed Deer National Wildlife Refuge | Park | 3 | Wahkiakum | 46 14 50 N | 123 24 49 W |
| Community Park | Park | 14 | King | 47 36 56 N | 122 14 21 W |
| Conboy Lake National Wildlife Refuge | Park | 554 | Klickitat | 45 57 29 N | 121 19 04 W |
| Conconully National Wildlife Refuge | Park | 763 | Okanogan | 48 32 07 N | 119 44 42 W |
| Conconully State Park | Park | 698 | Okanogan | 48 33 19 N | 119 45 17 W |
| Cone Islands State Park | Park | 18 | Skagit | 48 35 32 N | 122 40 32 W |
| Copalis National Wildlife Refuge | Park | 7 | Grays Harbor | 47 23 59 N | 124 19 50 W |
| Copalis Rock National Wildlife Refuge | Park | -2 | Grays Harbor | 47 18 19 N | 124 18 43 W |
| Corbin Park | Park | 580 | Spokane | 47 41 05 N | 117 25 05 W |
| Coulee Playfield | Park | 484 | Grant | 47 56 07 N | 119 01 39 W |
| Courtland Playground | Park | 615 | Spokane | 47 41 23 N | 117 22 18 W |
| Cowen Park | Park | 44 | King | 47 40 22 N | 122 18 46 W |
| Cowley Park | Park | 609 | Spokane | 47 38 60 N | 117 24 42 W |
| Crab Creek Habitat Management Area | Park | 295 | Grant | 46 51 39 N | 119 41 09 W |
| Cranberry Lake Park | Park | 86 | Skagit | 48 30 02 N | 122 38 48 W |
| Crawford State Park | Park | 837 | Pend Oreille | 48 59 43 N | 117 22 11 W |
| Crescent Bar Recreational Area | Park | 180 | Grant | 47 12 31 N | 119 59 47 W |
| Crestwoods Park | Park | 55 | King | 47 41 25 N | 122 11 44 W |
| Crow Butte State Park | Park | 94 | Benton | 45 51 19 N | 119 51 04 W |
| Crown Park | Park | 69 | Clark | 45 35 27 N | 122 24 26 W |
| Crown Point State Park | Park | 462 | Douglas | 47 58 17 N | 118 59 10 W |
| Curlew Lake State Park | Park | 757 | Ferry | 48 43 05 N | 118 39 34 W |
| Cutts Island State Park | Park | 0 | Pierce | 47 19 15 N | 122 41 15 W |
| Dahl Park | Park | 78 | King | 47 41 07 N | 122 17 57 W |
| Dash Point State Park | Park | 61 | King | 47 18 56 N | 122 24 25 W |
| Dave Mackie County Park | Park | 2 | Island | 47 56 30 N | 122 26 29 W |
| Dawson Playfield | Park | 132 | Pierce | 47 10 35 N | 122 24 21 W |
| Dearborn Park | Park | 70 | King | 47 33 10 N | 122 17 41 W |
| Deception Pass State Park | Park | 16 | Island | 48 23 37 N | 122 38 56 W |
| Deer Park | Park | 1832 | Okanogan | 48 55 38 N | 119 52 51 W |
| Denny Park | Park | 21 | King | 47 37 09 N | 122 20 25 W |
| Des Moines Park | Park | 48 | King | 47 24 18 N | 122 19 16 W |
| Desert Habitat Management Area | Park | 345 | Grant | 46 59 44 N | 119 33 32 W |
| Discovery Park | Park | 93 | King | 47 39 25 N | 122 25 05 W |
| Dishman Hills Natural Area | Park | 654 | Spokane | 47 38 57 N | 117 17 18 W |
| Doctor Jose Rizal Park | Park | 80 | King | 47 35 33 N | 122 19 05 W |
| Doe Island Marine State Park | Park | 1 | San Juan | 48 37 58 N | 122 47 15 W |
| Dollar Mountain Burn Game Preserve | Park | 1688 | Ferry | 48 42 30 N | 118 30 05 W |
| Donovan State Park | Park | 71 | Skagit | 48 35 40 N | 122 19 43 W |
| Dosewallips State Park | Park | 27 | Jefferson | 47 41 19 N | 122 54 25 W |
| DOT City Park | Park | 170 | Snohomish | 48 15 18 N | 121 36 28 W |
| Dot Rock State Park | Park | 4 | San Juan | 48 29 41 N | 122 47 47 W |
| Douglas Park | Park | 293 | Douglas | 47 57 49 N | 118 59 03 W |
| Douglass Falls Grange Park | Park | 543 | Stevens | 48 36 55 N | 117 54 09 W |
| Downer Field | Park | 35 | Whatcom | 48 44 49 N | 122 27 24 W |
| Downey Bridge Monument | Park | 8 | King | 47 22 40 N | 122 15 41 W |
| Downriver Park | Park | 519 | Spokane | 47 40 49 N | 117 27 32 W |
| Dragoon Creek State Park | Park | 595 | Spokane | 47 53 19 N | 117 26 33 W |
| Dry Falls Heritage Area | Park | 376 | Grant | 47 35 52 N | 119 21 24 W |
| Duncan Gardens | Park | 689 | Spokane | 47 38 05 N | 117 24 43 W |
| Dungeness National Wildlife Refuge | Park | 0 | Clallam | 48 09 57 N | 123 08 58 W |
| Dungeness Recreation Area | Park | 26 | Clallam | 48 08 09 N | 123 11 35 W |
| Duvall Park | Park | 24 | King | 47 43 16 N | 121 59 13 W |
| Dykstra Park | Park | 16 | King | 47 19 36 N | 122 12 38 W |
| E J Roberts Park | Park | 137 | King | 47 29 47 N | 121 46 27 W |
| E Norway Hill Park | Park | 96 | King | 47 44 19 N | 122 10 38 W |
| Eagle Island State Marine Park | Park | 1 | Pierce | 47 11 15 N | 122 41 46 W |
| Earlington Park | Park | 66 | King | 47 28 50 N | 122 13 39 W |
| East Arlington Regional Park | Park | 30 | Snohomish | 48 10 51 N | 122 04 60 W |
| East Beach Park | Park | 0 | Jefferson | 48 03 23 N | 122 41 01 W |
| East Green River Park | Park | 59 | King | 47 17 06 N | 122 03 14 W |
| East Hill Park | Park | 124 | King | 47 23 35 N | 122 12 20 W |
| East Lake Padden Park | Park | 234 | Whatcom | 48 41 43 N | 122 25 42 W |
| East Park | Park | 53 | Kitsap | 47 34 44 N | 122 37 14 W |
| East Side Youth Center | Park | 581 | Spokane | 47 39 04 N | 117 22 39 W |
| Eastgate Park | Park | 126 | King | 47 34 09 N | 122 08 44 W |
| Eastside Park | Park | 258 | Okanogan | 48 24 36 N | 119 31 10 W |
| Ebeys Landing National Historical Reserve | Park | 43 | Island | 48 12 49 N | 122 41 16 W |
| Econe Park | Park | 498 | Klickitat | 45 49 30 N | 120 49 05 W |
| Edgar Brown Memorial Stadium | Park | 117 | Franklin | 46 14 06 N | 119 06 39 W |
| Edgecliff Park | Park | 618 | Spokane | 47 39 02 N | 117 18 18 W |
| Edgewater Park | Park | 7 | Skagit | 48 25 04 N | 122 20 36 W |
| Edgewood Community Park | Park | 122 | Pierce | 47 14 05 N | 122 16 54 W |
| Edith Moulton Park | Park | 47 | King | 47 43 24 N | 122 11 39 W |
| Ediz Hook Reservation for Native Birds | Park | 1 | Clallam | 48 08 29 N | 123 25 57 W |
| Edmonds Underwater Park | Park | 0 | Snohomish | 47 48 49 N | 122 23 04 W |
| Eels Park | Park | 606 | Whitman | 46 53 06 N | 117 22 04 W |
| Elizabeth Park | Park | 21 | Whatcom | 48 45 35 N | 122 29 26 W |
| Elks Memorial Park | Park | 335 | Yakima | 46 36 54 N | 120 31 31 W |
| Elton Bennett Park | Park | 20 | Grays Harbor | 46 59 12 N | 123 53 31 W |
| Enatai Beach Park | Park | 15 | King | 47 34 44 N | 122 11 48 W |
| Enatai Park | Park | 39 | King | 47 35 14 N | 122 11 50 W |
| Entiat State Wildlife Area | Park | 431 | Chelan | 47 45 19 N | 120 12 59 W |
| Ephrata Heights Park | Park | 404 | Grant | 47 19 06 N | 119 32 20 W |
| Erickson Play Field | Park | 36 | Clallam | 48 06 38 N | 123 25 09 W |
| Everett Memorial Stadium | Park | 25 | Snohomish | 47 57 58 N | 122 12 14 W |