OWYHEE CANYONLANDS, Ore.—Drive 50 miles from Boise, Idaho, past the suburbs, exurbs and farms into Oregon, and you’ll find yourself in the largest conservation opportunity left in the continental U.S.

U.S. Rep. Cliff Bentz, R-Oregon, on Friday offered a new wrinkle to conserving the Owyhee Canyonlands, introducing his own legislation and creating the latest twist over a question that has confounded ...

Oregon’s Owyhee Canyonlands might be defined by its remoteness, but what truly sets this eastern Oregon wilderness apart is its otherworldly beauty and surprising diversity of recreational ...

It’s been three years since we had the pleasure of walking the land of ancient lava flows, constant dryness and deep canyons surrounding the Owyhee River north of Rome. Last time we were there, only ...

Owyhee County rancher Chris Black says his life and his business has improved since the day Wilderness Society Director Craig Gehrke walked into his kitchen seeking his support. Together, along with ...

The Owyhee Canyonlands are in remote southeastern Oregon and include Leslie Gulch Tuff, which is rhyolite ash that erupted 15.5 million years ago. (Bob Bush Photo/Getty Images) A proposal to protect ...

Prominently placed billboards and a flurry of direct-mail pieces are alerting Portlanders to a hot-button Oregon political issue—almost 500 miles away in Malheur County. The aim of the campaign, ...

As an avid lover of Oregon’s natural wonders, I was thrilled to read the travel article about Oregon’s environmental diversity, (“14 Oregon spots that look like they’re from another planet,” May 8).