This is a list of highest points in the U.S. state of Washington, in alphabetical order by county.
| County | Name | Height feet / m |
Prominence | Range | Notes |
|---|---|---|---|---|---|
| Adams | Karakul Hills | 2,100 feet (640 m) | 190 feet (58 m) | North Columbia Plateau | |
| Asotin | Ray Ridge | 6,180 feet (1,880 m) | 60 feet (18 m) | Blue Mountains | |
| Benton | Lookout Summit | 3,629 feet (1,106 m) | 1,849 feet (564 m) | Rattlesnake Hills | |
| Chelan | Bonanza Peak | 9,511 feet (2,899 m) | 3,711 feet (1,131 m) | North Cascades | |
| Clallam | Gray Wolf Ridge | 7,218 feet (2,200 m) | 818 feet (249 m) | Olympic Mountains | |
| Clark | Sturgeon Rock-West Ridge | 4,080 feet (1,240 m) | 0 feet (0 m) | South Washington Cascades | |
| Columbia | Oregon Butte | 6,387 feet (1,947 m) | 2,407 feet (734 m) | Blue Mountains | |
| Cowlitz | Goat Mountain in Mount St. Helens National Volcanic Monument | 4,965 feet (1,513 m) | 2,005 feet (611 m) | South Washington Cascades | |
| Douglas | Badger Mountain | 4,254 feet (1,297 m) | 2,674 feet (815 m) | North Columbia Plateau | |
| Ferry | Copper Butte | 7,140 feet (2,180 m) | 4,740 feet (1,440 m) | Monashee Mountains | |
| Franklin | Franklin County High Point | 1,640 feet (500 m) | 541 feet (165 m) | North Columbia Plateau | |
| Garfield | Diamond Peak | 6,379 feet (1,944 m) | 779 feet (237 m) | Blue Mountains | Mount Misery, the county's second-highest point, is 13 feet lower and about a kilometer away.[1] |
| Grant | Beezley Hills | 2,899 feet (884 m) | 749 feet (228 m) | North Columbia Plateau | |
| Grays Harbor | Shoulder of Wynoochee Point | 4,880 feet (1,490 m) | 0 feet (0 m) | Satsop Hills | The actual Grays Harbor County high point is less than 100 meters away from 4,949-foot (1,508 m) Wynoochee Point, which lies in Mason County.[2] |
| Island | Camano Island High Point | 580 feet (180 m) | 580 feet (180 m) | ||
| Jefferson | Mount Olympus | 7,969 feet (2,429 m) | 7,838 feet (2,389 m) | Olympic Mountains | Ultra prominent |
| King | Mount Daniel | 7,960 feet (2,430 m) | 3,480 feet (1,060 m) | South Washington Cascades | |
| Kitsap | Gold Mountain | 1,761 feet (537 m) | 1,521 feet (464 m) | Blue Hills | |
| Kittitas | Mount Daniel | 7,960 feet (2,430 m) | 3,480 feet (1,060 m) | South Washington Cascades | |
| Klickitat | Indian Rock | 5,845 feet (1,782 m) | 2,565 feet (782 m) | North Columbia Plateau | |
| Lewis | Big Horn | 8,000 feet (2,400 m) | 240 feet (73 m) | South Washington Cascades | |
| Lincoln | Lilienthal Mountain | 3,568 feet (1,088 m) | 1,268 feet (386 m) | North Columbia Plateau | |
| Mason | Mount Stone | 6,612 feet (2,015 m) | 2,132 feet (650 m) | Olympic Mountains | |
| Okanogan | North Gardner Mountain | 8,956 feet (2,730 m) | 3,996 feet (1,218 m) | North Cascades | |
| Pacific | Pacific County High Point | 3,000 feet (910 m) | 1,480 feet (450 m) | Willapa Hills | |
| Pend Oreille | Gypsy Peak | 7,320 feet (2,230 m) | 1,720 feet (520 m) | Selkirk Mountains | |
| Pierce | Mount Rainier | 14,411 feet (4,392 m) | 13,210 feet (4,030 m) | South Washington Cascades | Ultra prominent Highest point in Washington state |
| San Juan | Mount Constitution | 2,407 feet (734 m) | 2,407 feet (734 m) | The second highest mountain on an ocean island in the contiguous 48 states | |
| Skagit | Mount Buckner | 9,114 feet (2,778 m) | 3,034 feet (925 m) | North Cascades | |
| Skamania | Mount Adams-West Slope | 8,920 feet (2,720 m) | 0 feet (0 m) | South Washington Cascades | Prior to its 1980 eruption, Mount St. Helens was 9,677 feet (2,950 m) |
| Snohomish | Glacier Peak | 10,520 feet (3,210 m) | 7,498 feet (2,285 m) | North Cascades | Ultra prominent |
| Spokane | Mount Spokane | 5,883 feet (1,793 m) | 3,503 feet (1,068 m) | Selkirk Mountains | |
| Stevens | Abercrombie Mountain | 7,308 feet (2,227 m) | 5,168 feet (1,575 m) | Selkirk Mountains | Ultra prominent |
| Thurston | Quiemuth Peak | 2,922 feet (891 m) | 762 feet (232 m) | South Washington Cascades | |
| Wahkiakum | Huckleberry Ridge | 2,673 feet (815 m) | 393 feet (120 m) | Willapa Hills | |
| Walla Walla | Lewis Peak | 4,888 feet (1,490 m) | 168 feet (51 m) | Blue Mountains | |
| Whatcom | Mount Baker | 10,781 feet (3,286 m) | 8,812 feet (2,686 m) | North Cascades | Ultra prominent |
| Whitman | Tekoa Mountain | 4,009 feet (1,222 m) | 1,089 feet (332 m) | North Columbia Plateau | |
| Yakima | Mount Adams | 12,276 feet (3,742 m) | 8,116 feet (2,474 m) | South Washington Cascades | Ultra prominent |