Overview
Lake Sammamish is a natural lake in WA. It is managed by Washington DFW / King County.
The basin is characterized by about 4,897 acres of surface area, a maximum depth near 105 feet. Shoreline and bottom character vary from protected coves and flats to deeper water, supporting a mix of open-water and nearshore habitats.
Lake Sammamish supports recreational boating and fishing. Public access is through area ramps, parks, and shoreline facilities where provided by the operator. Fishing and boating regulations are set by the relevant state wildlife agency.
Lake Sammamish is not operated to a classic reservoir full-pool curve. Where a gauge exists, water-surface elevation is the reference. Conditions still matter for boating, fishing access, and shoreline use.
Current Conditions
- 7-day trendStableLatest movement can differ from the seven-day trend.
- 7-day changeDown 0.01 ft
- 30-day changeDown 0.01 ft
- Drought conditionsAbnormally Dry
About This Lake
Learn how this lake is managed, what affects its water level, and where Lake Insights gets its data.
Lake Sammamish is a 4,897-acre reservoir managed by Washington DFW / King County.
