Spillimacheen River, Beaver River, Illecillewaet River, Incomappleux River, Kootenay River, Pend Oreille River, Spokane River, Snake River, Deschutes River, Willamette River, Kicking Horse River, Blaeberry River, Canoe River, Kettle River, Sanpoil River, Okanogan River, Yakima River, Cowlitz River
Potomac River
There are many such rivers. Of note are the Columbia and Fraser rivers.
The Columbia River is by far the longest and largest, being the fourth largest river in the North America. It has many major rivers that contribute to is, such as the Yakima River and Snake River (much of which is in Idaho), but its two largest tributaries are not in Washington, but rather Oregon and British Columbia.
There are 10 rivers that flow to the Pacific Ocean. Umpqua River, Amur, Rogue River, Yachats River, Goascorán River, Columbia River, Burdekin, Burnett, Acaponeta River, and Daintree.
Rivers in Washinton, Oregon, and California that flow into the Pacific include: Nooksack River (WA) Skagit River (WA) Skyomish River (WA) Nisqually River (WA) Columbia River (WA, OR) Umpqua River (OR) Rogue River (OR) Klamath River (CA) Russian River (CA) Santa Ana River (CA) Los Angeles River (CA) There are also rivers that flow into the Pacific from South America, Central America, Mexico, Canada, Alaska, Pacific Islands, Asia, New Zealand, and Australia. St. Lawrence and Ottawa rivers flow into the ATLANTIC Ocean.
There are many rivers that create state boundaries in the United States. The river that separates Washington from Oregon is the Columbia River.
How_many_rivers_are_there_in_colombia
Surely they all do, I know some flow into other rivers, but they all reach the sea in one form or another.
There are many rivers in Arkansas. Arkansas's major rivers are Mississippi River, Arkansas River, Ouachita River, Eleven Point River and Black River.
There are many rivers in the Midwest United States. Some major rivers include the Ohio River, the Illinois River, the Missouri River, and the Mississippi River.
There are many, the main ones are the Columbia and Snake rivers which delineate much of Oregon's northern and eastern boundaries, respectively.
Rivers in Bolivia include the Rio Negro, and the Madeira and Abuna Rivers. Other rivers include Sena, Tambopata, and Claro Rivers.