Question: where does the green river start in washington
Answer: Green River River Looking upriver from suspension bridge in Isaac Evans Park , Auburn , Washington Country United States State Washington County King Cities Auburn , Kent , Tukwila Source Cascade Range - elevation 3,283 ft ( 1,001 m ) - coordinates 47 ° 8 ′ N 121 ° 18 ′ W ﻿ / ﻿ 47.