Deepest lakes & reservoirs in Washington by maximum depth
This is a comparison for lakes we have listed within USA > West > Washington > - Compared by Deepest Lakes in feet.Note: For some lakes, lake depth data is unknown, so this table may display fewer lakes than the total 58 articles we have published for Washington lakes.
Search results: Sort lakes by max depth
Lake name  |
Max depth in feet |
Lake description |
|---|---|---|
| Lake Chelan (North Central Washington, USA, Washington, West) |
1,486 ft | From the Salish Indian word for “deep notch”, Lake Chelan is the third deepest lake in the United States with a maximum depth of almost 1500 feet. Lak… |
| Lake Crescent (Olympic Peninsula & Pacific Coast, USA, Washington, West) |
624 ft | Also known as Crescent Lake Lake Crescent is a majestic glacial lake located at the northern tip of the Olympic National Forest in Clallam County, Washington. Glaciers during the… |
| Lake Roosevelt (Northeast Washington, USA, Washington, West) |
400 ft | Also known as Lake Franklin D. Roosevelt Lake Roosevelt, located approximately 90 miles northwest of Spokane, Washington, covers 82,000 acres with a shoreline of 630 miles. Lake Roosevelt, al… |
| Ross Lake (British Columbia, Canada, North Central Washington, USA, Washington, West) |
400 ft | Also known as Ross Reservoir Spectacular Ross Lake is one of the seldom seen gems in north-central Washington. This fantastic 22-mile long reservoir covers 11,680 acres along the… |
| Rock Lake (Northeast Washington, USA, Washington, West) |
375 ft | Deep, dark and mysterious describes Northeast Washington’s Rock Lake. Largest and deepest of the many lakes in the ‘Channeled Scablands’, Rock lake co… |
| Cle Elum Lake (North Central Washington, USA, Washington, West) |
333 ft | Also known as Lake Cle Elum Providing much needed water to the dry, fertile soil of north-central Washington, Cle Elum Lake is the largest of four irrigation storage reservoirs i… |
| Lake Ozette (Olympic Peninsula & Pacific Coast, USA, Washington, West) |
331 ft | Also known as Ozette Lake Nestled in dense forest just a few miles from the Pacific Coast, Lake Ozette sits snuggled into Washington’s Olympic Peninsula tourism region, on the… |
| Whatcom Lake (Northwest Washington & Islands, USA, Washington, West) |
330 ft | Also known as Lake Whatcom Whatcom Lake is a 5,000-acre natural lake surrounded by mountainous terrain located in Whatcom County, Washington. Whatcom is from a Nooksack Indian w… |
| Alder Lake (Southwest Washington, USA, Washington, West) |
290 ft | Also known as Alder Reservoir Vacationers planning to visit Mount Rainer need to fit beautiful Alder Lake into their plans. This reservoir in the Southwest Region of Washington off… |
| Lake Cushman (Olympic Peninsula & Pacific Coast, USA, Washington, West) |
260 ft | Nestled in the foothills of the majestic Olympic Mountains, Lake Cushman is known for its clear, blue water and alpine beauty. With 23 miles of shorel… |
| Lake Wenatchee (North Central Washington, USA, Washington, West) |
244 ft | Lake Wenatchee is a high mountain lake located in the Wenatchee National Forest in the Cascade Mountains of Washington state. Fed by the Little Wenatc… |
| Lake Quinault (Olympic Peninsula & Pacific Coast, USA, Washington, West) |
240 ft | Also known as Quinault Lake Located in northwest Washington’s Olympic Peninsula tourism region, Lake Quinault is a clear, deep lake lying just west of the Olympic Mountains. Twel… |
