Sammamish River

Sammamish River Sammamish Slough, Squak Slough
Sammamish River, near its headwaters in Marymoor Park, Redmond and Lake Sammamish
Map of the Lake Washington drainage basin with the Sammamish River highlighted
Location
Country	United States of America
State	Washington
County	King
Physical characteristics
Source	Lake Sammamish
• location	Washington, United States of America
• coordinates	47°39′09″N 122°06′24″W / 47.65250°N 122.10667°W / 47.65250; -122.10667
• elevation	30 ft (9.1 m)
Mouth	Lake Washington
• location	Washington, United States of America
• coordinates	47°45′12″N 122°15′30″W / 47.75333°N 122.25833°W / 47.75333; -122.25833
• elevation	16 ft (4.9 m)
Length	14 mi (23 km)
Discharge
• location	USGS gage 12125200 near Woodinville, Washington[1]
• average	304 cu ft/s (8.6 m3/s)[1]
• minimum	25 cu ft/s (0.71 m3/s)
• maximum	2,830 cu ft/s (80 m3/s)

The Sammamish River (also known as Sammamish Slough) flows through north King County, Washington for about 14 miles (23 km), draining Lake Sammamish into Lake Washington. Along its course, the Sammamish River flows through Redmond, Woodinville, Bothell, and Kenmore.

The river is named after the native people who once lived along its entire length.