Green River
River in Washington State
The Green River is a 65-mile long river in the state of Washington in the United States, arising on the western slopes of the Cascade Range south of Interstate 90. Wikipedia
Length: 65 mi
Discharge: 1,316 ft³/s
Source: Cascade Range
Mouth: Duwamish River
Basin size: 440 sq mi (1,100 km2)