Now Playing:

TV

NW Life | Climate change | Recreation | Environment | local | Science | Oregon Field Guide

Return To Mount Hood's Glacier Caves


The spectacular glacier caves that “Oregon Field Guide” documented in 2013 have all but disappeared.

But why? Is it global warming, or is something else at play?

“Oregon Field Guide” returns to the dangerous backcountry slopes of Mount Hood with a team of scientists to investigate. New passages have formed within the ice and with new technology, science is revealing some surprising new information about what causes glacier caves to form.

More Oregon Field Guide

More OPB

Follow Oregon Field Guide

Send Oregon Field Guide A Message

Related Content

Mount Hood's Disappearing Glacier Caves

In 2013, Mount Hood had the largest glacier cave system in the Lower 48. By 2016, it was nearly gone. Watch the Oregon Field Guide episode "Return to Glacier Caves." 

Glacier Caves: Mt. Hood's Secret World

Mountaineers Brent McGregor and Eddy Cartaya invite the OFG crew on an expedition to film and photograph the largest known glacier cave system in the lower 48 states — located on the Northwest face of Mt. Hood.

Behind the Scenes of Glacier Caves: Mt. Hood's Secret World

Go behind the scenes to see how Oregon Field Guide and EarthFix produced the half-hour special "Glacier Caves: Mt. Hood's Secret World."


Part of Episode

Return To Mt. Hood Glacier Caves And Columbia Gorge Geology Tour (2810)

Oregon Field Guide: Episode #2810
Most Recent Broadcast: February 16, 2017