Lake Sammamish

Lake Sammamish is a freshwater lake 8 mi east of Seattle in King County. The lake is 7 mi long and 1.5 mi wide, with a maximum depth of 105 ft.

Information for Leaders

The Mountaineers has a commercial use permit with Washington State Parks for all free and fee-based outings at state parks. Leaders should carry a print or digital copy of our  commercial use permit to show rangers they may encounter.

  • Length: 9.0 nm

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