Discovering Valhalla: Oregon'S Hidden Gorge

Before you go off to explore Valhalla, with a half-full water bottle and a handful trail mix, keep this in mind: This amazing destination is very dangerous.

Oregon Field Guide assembles its largest, most complex expedition ever to take you on an unparalleled adventure of discovery.

A few adventurous explorers share their tales of venturing into the remote gorge nicknamed Valhalla.

What does it take to pull off the adventure of a lifetime? A picture may be worth a thousand words, but the numbers speak for themselves.

How a chance glimpse from a helicopter launched a five-year quest to document an uncharted Oregon wonder. 

The Canyon Crew, a group of outdoor professionals, braved the treacherous half-mile gorge to document its wonders. 

An uncharted slot canyon was recently found deep in an Oregon forest, which left us wondering, what exactly is a slot canyon?