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Beaver Lake - East Sammamish area

Beaver Lake is a chain of interconnected lakes located in Sammamish, Washington including Beaver Lake 1 to the north, Beaver Lake 2, the largest lake and Long Lake (Beaver Lake 3) to the south. The lake’s 1,100 acre basin has many streams, wetlands and lakes including three 1-rated, unique and outstanding wetlands. The lakes drain to Laughing Jacobs Creek, which holds a run of Lake Sammamish kokanee salmon.

A 76-acre Beaver Lake Preserve is located on the north and west shores of Beaver Lake 1, and offers hiking trails and a connection to Soaring Eagle Park to the north.  An 83-acre public park is located on the west shore of Beaver Lake 2 and Long Lake, offering a beach, barbecue grills, picnic shelter, lodge, playing fields and an off-leash dog park. A public boat launch is located on the southeast shore of Beaver Lake 2, the middle lake. The lake is stocked with rainbow trout and also holds yellow perch and largemouth bass.

Beaver Lake recreation

Beaver Lake and watershed data

Beaver Lake map of water quality monitoring stations
Beaver Lake bathymetry
Beaver Lake bathymetry map

Beaver Lake 1 (north)

Beaver Lake 2 (middle)


Lake Management District

Outreach and educational materials


Toxic algae

Lake best management practices and lake data

Vegetation management

Additional resources

News and announcements

Jun. 27, 2019
External article, Issaquah Reporter
Issaquah and Sammamish partner for watershed analysis

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For questions about lakes in King County, please contact or call the Water and Land Resources Division front desk at 206-477-4800.