List of lakes of Washington

This is a list of natural lakes and reservoirs located fully or partially in the U.S. state of Washington. Natural lakes that have been altered with a dam, such as Lake Chelan, are included as lakes, not reservoirs. Swimming, fishing, and/or boating are permitted in some of these lakes, but not all.

Natural lakes

Currently included in this table are all natural and enhanced lakes with a surface area of more than 1,000 acres or a volume of more than 25,000 acre feet as well as smaller lakes with a Wikipedia page.

Name	County	Elev.	Area	Volume	Depth	Outflow	Basin	Coordinates	Notes	Reference
Lake Chelan	Chelan	1,102	33,000	15,800,000	1,486	Chelan River	Columbia / Chelan
Lake Washington	King	17	22,000	2,400,000	214	Lake Washington Ship Canal	Lake Washington
Lake Ozette	Clallam	33	7,400	960,000	331	Ozette River	Ozette River
Moses Lake	Grant	1,050	6,800	130,000	38	Crab Creek	Columbia / Crab Creek
Osoyoos Lake	Okanogan / B.C.‡	911	5,800	270,000	208	Okanogan River	Columbia / Okanogan
Lake Crescent	Clallam	584	5,100	1,500,000	624	Lyre River	Lyre River
Lake Whatcom	Whatcom	312	4,900	770,000	328	Whatcom Creek	Bellingham Bay
Lake Sammamish	King	30	4,900	284,000	105	Sammamish River	Lake Washington
Cle Elum Lake	Kittitas	2,227	4,800	520,000	260	Cle Elum River	Columbia / Yakima
Baker Lake	Whatcom	705	4,800	285,000		Baker River	Skagit River
Kachess Lake	Kittitas	2,258	4,500	550,000	410	Kachess River	Columbia / Yakima
Lake Cushman	Mason	739	4,010		115	Skokomish River
Lake Quinault	Grays Harbor	186	3,550	496,000	240	Quinault River	Quinault River
Omak Lake	Okanogan	958	3,250	700,000	325	-	Columbia Basin
Keechelus Lake	Kittitas	2,521	2,600	250,000	310	Yakima River	Columbia / Yakima
Spirit Lake	Skamania	3,440	2,600	212,000	110	North Fork Toutle River	Columbia / Cowlitz
Lake Wenatchee	Chelan	1,872	2,500	360,000	244	Wenatchee River	Columbia / Wenatchee
Lake Tapps	Pierce	546	2,430	47,000	90	White River	Puyallup River
Silver Lake	Cowlitz	489	2,300	13,000	10	Outlet Creek	Columbia / Cowlitz
Vancouver Lake	Clark	8	2,300	6,900	15	Lake River	Columbia Basin
Rock Lake	Whitman	1,728	2,200	380,000	350	Rock Creek	Columbia / Snake
Palmer Lake	Okanogan	1,150	2,100	110,000	79	Palmer Creek	Columbia / Okanogan
Twin Lakes	Ferry	2,572	1,900	33,000	50	Stranger Creek	Columbia Basin
Chester Morse Lake	King	1,562	1,830	94,000	130	Cedar River	Lake Washington
Sprague Lake	Adams / Lincoln	1,882	1,800	19,000	20	Cow Creek	Columbia / Snake
Lenore Lake	Grant	1,078	1,400	20,000	27	Soap Lake	Columbia / Crab Creek
Deer Lake	Stevens	2,482	1,150	60,000	80	Sheep Creek	Columbia / Colville
American Lake	Pierce	238	1,100	60,000	90	Sequalitchew Creek
Loon Lake	Stevens	2,385	1,100	51,000	105	Sheep Creek	Columbia / Colville
Newman Lake	Spokane	2,130	1,100	23,000	30	Newman Lake Peat Dike
Lake Stevens	Snohomish	214	1,000	65,000	160	Catherine Creek	Snohomish River
Mason Lake	Mason	197	1,000	49,000	90	Sherwood Creek	Puget Sound
Curlew Lake	Ferry	2,354	920	40,000	130	Curlew Creek	Columbia / Kettle
Soap Lake	Grant	1,074	850	29,000	95	-	Columbia / Crab Creek
Lake Cavanaugh	Skagit	1,012	830	36,000	80	Lake Creek	Stillaguamish River
Lake Samish	Whatcom	274	810	33,100	160	Friday Creek	Bellingham Bay
Coldwater Lake	Cowlitz / Skamania	2,494	770	58,500	200	Coldwater Creek	Columbia / Cowlitz
Bead Lake	Pend Oreille	2,833	720	77,000	180	-	Columbia / Pend Oreille
Liberty Lake	Spokane	2,073	708		30	Spokane Valley-Rathdrum Prairie Aquifer	Columbia / Spokane
Lake Union	King	17	580	20,000	50	Fremont Cut	Lake Washington
Buffalo Lake	Okanogan	2,402	540	33,700	121	-	Columbia Basin
Lake Goodwin	Snohomish	328	540	13,000	50	Tulalip Creek	Puget Sound
Summit Lake	Thurston	459	510	28,000	100	Kennedy Creek	Puget Sound
Lake Kapowsin	Pierce	585	510	8,300	29	Kapowsin Creek	Puyallup River
Lake Pleasant	Clallam	397	500	16,000	50	Lake Creek to Sol Duc River	Quillayute River
Packwood Lake	Lewis	2,857	450	28,000	120	Lake Creek	Columbia / Cowlitz
Walupt Lake	Lewis	3,930	380	62,000	300	Walupt Creek	Columbia / Cowlitz
Lake Sutherland	Clallam	528	360	21,000	86	Indian Creek	Elwha River
Lake Lawrence	Thurston	429	330	4,400	26	Deschutes River	Puget Sound
Long Lake	Thurston	160	310	3,900	21	Woodland Creek	Puget Sound
Conconully Lake	Okanogan	2323	293		110	Salmon Creek	Okanogan River
Lacamas Lake	Clark	182	290	7,500	65	Lacamas Creek	Columbia / Washougal
Lake Sawyer	King	498	286		58	Covington Creek	Duwamish
Nahwatzel Lake	Mason	456	270	4,600	25	Outlet Creek -> Satsop River	Chehalis River
Capitol Lake	Thurston	3	270	2,400	20	Budd Inlet	Puget Sound
Lake Dorothy	King	3,062	260	ca 15,000?	160	Miller River	Snohomish River
Green Lake	King	164	250	3,400	30	Bef. 1916: Ravenna Creek	Lake Washington
Lake Easton	Kittitas	2,184	205	4,000	85	Kachess River	Columbia / Yakima
Angeline Lake	King	4,613	184	>20,000	412	Angeline Falls, Foss River	Snohomish River
Big Heart Lake	King	4,549	176	>20,000	449	Big Heart Falls, Foss River	Snohomish River
Silver Lake	Whatcom	6,768	162	ca 25,000?	522	Silver Creek	Skagit River
Blanca Lake	Snohomish	3,976	160	25,000	250	Troublesome Creek	Snohomish River
Snow Lake	King	4,019	153	16,500	400	Rock Creek	Snoqualmie River
Lake Meridian	King	372	150	6,100	90	Big Soos Creek	Duwamish River
Lake Padden	Whatcom	450	149	4,300	59	Padden Creek	Bellingham Bay
Gravelly Lake	Pierce	220	147	6,000	57	-	Chambers Creek
Chopaka Lake	Okanogan	2,911	140	3,700	73	Chopaka Creek	Columbia / Okanogan
Snoqualmie Lake	King	3,151	130	?	?	Taylor River	Snoqualmie River
Berdeen Lake	Whatcom	5,018	126	ca 10,000?	212	Berdeen Falls, Bacon Creek	Skagit River
Mowich Lake	Pierce	4,929	120	ca 4,000?	90	Crater Creek	Puyallup River
Rattlesnake Lake	King	911	108	2,700	54	-	Lake Washington
Angle Lake	King	351	103	2,600	52	-	Duwamish River
Lake Ballinger	Snohomish	282	101	1,500	35	McAleer Creek	Lake Washington
Horseshoe Lake	Kitsap	273	41		30	Burley Creek	Puget Sound
Battle Ground Lake	Clark	509	25		60	Salmon Creek	Columbia / Salmon Creek
Round Lake	Clark					Lacamas Creek	Columbia / Washougal
Doubtful Lake	Chelan
Dagger Lake	Chelan
Howard Lake	Chelan
Green View Lake	Chelan

Reservoirs

Key

denotes that body of water crosses state border

denotes that body of water crosses international border