If finding the river’s mouth was difficult, so too was locating the river’s remote origins in British Columbia. It wasn’t followed from headwaters-to mouth by explorers until 1811.

From gigantic floods to thousands of shipwrecks, follow the journey of the Columbia River. Host Knute Berger mines the Pacific Northwest’s historical and cultural nuggets. This season's Mossback ...

Under the terms of the treaty, Canada controls the flow of the Northwest’s largest river from its headwaters in British Columbia, ensuring enough water is sent downstream to meet U.S. hydropower ...

Under the terms of the treaty, Canada controls the flow of the Northwest’s largest river from its headwaters in British Columbia, ensuring enough water is sent downstream to meet U.S. hydropower ...

Reflecting the uncertain terms with which the Trump Administration views Canada, the active renegotiations of the long-standing Columbia River Treaty have been stymied in recent months. At the ...

Ex-President Donald Trump says giant faucet can take Canada & Northwest water from the Columbia River to California for drought, fire relief.

Ex-President Donald Trump says giant faucet can take Canada & Northwest water from the Columbia River to California for drought, fire relief.

Capt. John C. Fremont traveled along the Umatilla River headwaters to lead a topographic survey of the Blue Mountains in 1843, on the heels of the mountain man William Sherley (“Old Bill ...

The Columbia River Treaty governs how Canada and the U.S. use dams for hydropower and flood control on the massive cross-border river. After more than 60 years, provisions have expired, and ...

The nations were trying to finalize updates to the 61-year-old Columbia River Treaty governing shared, cross-border water and hydropower management.

Ex-President Donald Trump says giant faucet can take Canada & Northwest water from the Columbia River to California for drought, fire relief.