The Columbia River is the fourth largest by volume in North America — and to Washingtonians, it’s a beloved part of history (and the present). This majestic body of water provides us with power, fish, recreation, and endless beauty, and we’re truly lucky to have it. Scroll on to learn more about the oldest river in Washington.

The Columbia River flows from the Rocky Mountains of British Columbia, northeast and then south into Washington, then turns west to form quite a bit of our border with Oregon.
Jan Tik / Flickr
Eventually, it empties into the Pacific Ocean.
The Columbia and its tributaries have been important to our local culture and economy for thousands of years.
Lily C. / TripAdvisor
They have fed us, helped with transportation, and served as guides for ancient travelers.
Numerous Native American tribes inhabited the Columbia River basin for several thousand years.
Wikipedia
The river is millions of years old — in fact, the Columbia River Gorge started forming as far back as 17 million years ago. It's one of the most gorgeous historic places in Washington.

Related Stories

Washington Has A Grand Canyon, Palouse River Canyon, And It's Too Beautiful For Words

Washington Has A Grand Canyon, Palouse River Canyon, And It's Too Beautiful For Words

 Most People Don't Know About The Mysterious Islands That Popped Up In A Washington Lake

Most People Don't Know About The Mysterious Islands That Popped Up In A Washington Lake

 The Little Riverside Park Most Washingtonians Don't Know About (But Should)

The Little Riverside Park Most Washingtonians Don't Know About (But Should)
The river forms the reservoir behind Grand Coulee Dam, which supports four different power houses containing 33 hydroelectric generators.
Water Alternatives / Flickr
The dam was constructed in 1933 and 1934, and even today, it's one of the largest concrete structures in the world. The Bonneville Lock and Dam structures also line the river. In fact, the Columbia has 14 dams in total, although 3 of them are in Canada. This makes it the largest hydroelectric power producing river in North America.
It was American Captain Robert Gray who gave the body of water its current name. He named it in 1972 after his ship, the Columbia Rediviva.
Wikipedia
In 1941, Woody Guthrie penned a song called Roll On, Columbia, Roll On. Admittedly, it's pretty catchy, so perhaps Robert Gray did us a favor.
Unfortunately, human activity hasn't been entirely good for the river.
Jon. D. Anderson / Flickr
A 50-mile stretch passes through the Hanford Site, and in the 1950s, its plutonium production reactors dumped a daily average of 50,000 curies of radioactive material into the water. The nuclear reactors were decommissioned at the end of the Cold War, but studies have found significant levels of toxins in the fish in the basin. The states, tribes, and federal government are all working to restore the water quality.
This is only a small fraction of the history of this magnificent river.
Jim Choate / Flickr
The Columbia River is the pinnacle of natural beauty in Washington. We're lucky to have it flow through our state, and we couldn't ask for a more beautiful border between Washington and Oregon.

The Columbia River is one of the most astonishing rivers in Washington. It’s so rich in history, dozens and dozens of books have been written about it. And you can get some incredible views of it simply by visiting the Columbia River Gorge.

Do you know the long history of the oldest river in Washington? What is your favorite spot to visit? Let us know in the comments!

OnlyInYourState may earn compensation through affiliate links in this article. As an Amazon Associate, we earn from qualifying purchases.

More to Explore

oldest river in Washington

Elisa Regulski | December 21, 2019

What are the best historic landmarks in Washington?

There are so many incredible historic places in Washington. The Whitman Mission National Historic Site in Walla Walla is a must-visit. The Whitman Mission was founded by emigrants on the Oregon Trail. In 1847, it was the site of a horrific massacre that contributed to the U.S’s westward expansion. This destination commemorates the bloody history surrounding the area. Fort Nisqually Granary, located in Tacoma, is another fascinating historic landmark in Washington. Fort Nisqually was the first European trading post on Puget Sound. It has since been relocated to Point Defiance Park. Today, visitors can explore the area and learn about its history. To learn more about Washington’s best historic landmarks, read our article here.

What are the best scenic overlooks in Washington?

The Washington Pass Overlook is one of the best scenic overlooks in the state. These gorgeous views are nestled along the North Cascades Highway. You won’t ever want to leave this magnificent attraction. The breathtaking sights never get old. It’s one of the best places to soak up the natural beauty in Washington.

What are the best waterfront hiking trails in Washington?

The Langus Waterfront Trail on Smith Island is an incredible hiking destination. This breezy trail is perfect for beginners and seasoned hikers. The level terrain makes it accessible for everyone! Bring the whole family and enjoy the tranquil waterfront views. The Arboretum Waterfront Trail, located long Lake Washington in Seattle, is another wonderful walking path. The path is only about a half mile long, but it leads you somewhere spectacular. You’ll love marveling at the giant wetland. To learn more about the best Washington waterfront hikes, read our article here.

Related Articles

Explore Washington

Featured Addresses
Columbia River, Columbia River