<P> The Snake River is a major river of the greater Pacific Northwest in the United States . At 1,078 miles ( 1,735 km ) long , it is the largest tributary of the Columbia River , the largest North American river that empties into the Pacific Ocean . Rising in western Wyoming , the river flows through the Snake River Plain of southern Idaho , then through the rugged Hells Canyon area via northeastern Oregon and the rolling Palouse Hills , to reach its mouth near the Washington Tri-Cities area , where it enters the Columbia . Its drainage basin encompasses parts of six U.S. states , and its average discharge is over 54,000 cubic feet per second ( 1,500 m / s ) . </P>
<P> The Snake River is a major river of the greater Pacific Northwest in the United States . At 1,078 miles ( 1,735 km ) long , it is the largest tributary of the Columbia River , the largest North American river that empties into the Pacific Ocean . Rising in western Wyoming , the river flows through the Snake River Plain of southern Idaho , then through the rugged Hells Canyon area via northeastern Oregon and the rolling Palouse Hills , to reach its mouth near the Washington Tri-Cities area , where it enters the Columbia . Its drainage basin encompasses parts of six U.S. states , and its average discharge is over 54,000 cubic feet per second ( 1,500 m / s ) . </P>
where does the snake river begin and end
where does the snake river begin and end
western Wyoming Columbia River
western Wyoming Columbia River