Under the original 1964 treaty, Canadian officials agreed to build storage dams that hold back the water to reduce the threat of flooding. This followed a 1948 flood that devastated Vanport, Oregon.

From that lake, which covers more than a dozen kilometres of a trench that carves north-south through the Rocky Mountains, runs the Columbia River, the mightiest waterway in the Pacific Northwest.

It is a crucial source of water for agricultural irrigation, supports a range of diverse wildlife and offers myriad recreational opportunities. Crucially, the Columbia River basin is a cornerstone ...

The Columbia Canal on the Broad River is a major source of Columbia’s drinking water. Jeff Blake Jeff Blake Photo A decade ago, a “1,000-year-storm” dropped 20 inches of water on the ...

Authorities will try again Friday to pull a station wagon from the Columbia River that's believed to have belonged to an Oregon family of five who disappeared nearly 70 years ago while they were ...

Authorities planned to pull several vehicles from the Columbia River on Thursday, including a car believed to have belonged to a Portland couple who vanished in 1958 while out for a drive with ...

CASCADE LOCKS, Ore. (KATU) — For the second day in a row, a dive team worked to recover a car from the Columbia River near Cascade Locks. This recovery will possibly be bringing closure to the ...

The staff losses stand to slow down maintenance of the essential system, which will leave shippers, fishermen and others who navigate the notoriously perilous mouth of the Columbia River in a more ...

One of 5 kids hurt in 2-vehicle crash north of Twin Cities has died, is ID’d; his mom remains jailed After two days of dredging, a crane on Friday pulled from the Columbia River a Ford station ...

in December 1952. (Ken Martin family via AP, File) Authorities will try again Friday to pull a station wagon from the Columbia River that’s believed to have belonged to an Oregon family of five ...