Pacific Region•State Capital: Olympia

Lakes in Washington

Washington contains Lake Chelan, a 50-mile glacier-carved fjord reaching 1,486 feet deep into the North Cascades, and Seattle’s Lake Washington. Explore interactive maps, depths, surface areas, public boat ramps, and fishing spots for lakes across Washington.

Estimated Water Bodies
8,000+
Freshwater Basins
State Capital
Olympia
WA
Largest Cataloged Lake
Lake Chelan
33,104 acres
Deepest Cataloged Lake
Lake Chelan
1486 ft max

Interactive Lake Map of Washington

Washington Lake Directory

Showing 2 verified lakes in Washington

Looking up the dramatic 50-mile glacier-carved fjord of Lake Chelan Washington
Natural Glacial
Normal Conservation Pool

Lake Chelan

Chelan County, WA

Area
33,104 ac
Max Depth
1486 ft
Elevation
1,100 ft

Lake Chelan is a narrow, 50.5-mile long glacier-carved fjord lake located in north-central Washington. Reaching a maximum depth of 1,486 feet, it is the third-deepest lake in the United States and the 26th deepest in the world. The lake’s bottom is 386 feet below sea level (a cryptodepression). The remote northern tip at Stehekin is accessible only by boat, floatplane, or backpacking trail through the North Cascades National Park.

Crystal clear emerald waters of Lake Crescent in Olympic National Park Washington
Natural Glacial
Below Full Pool

Lake Crescent

Clallam County, WA

Area
5,127 ac
Max Depth
624 ft
Elevation
580 ft

Lake Crescent is a pristine, deep glacial lake located in the northern foothills of the Olympic Mountains inside Olympic National Park in Washington. Famous for its jaw-dropping crystal clarity and iridescent blue color caused by a lack of nitrogen, the lake reaches 624 feet deep and is home to two endemic trout varieties: the Beardslee trout and the Crescenti cutthroat trout.

Frequently Asked Questions about Lakes in Washington

What is the largest lake in Washington?

Lake Chelan is the largest lake in Washington documented in our verified directory, spanning roughly 33,104 acres.

How many lakes does Washington have?

Official hydrological estimates catalog over 8,000 named lakes, reservoirs, ponds, and impoundments across Washington.