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This season, Oregon Field Guide assembles its largest, most complex expedition ever to take you on an unparalleled adventure of discovery. We travel deep into the wilderness to explore and bring back the first images of a hidden geologic wonder right here in Oregon.

Segments in this Episode

Oregon Field Guide

Discovering Valhalla: Oregon's Hidden Gorge

OPB | Feb. 4, 2016 8:30 p.m.

Field Guide heads into the Oregon wilderness in search of a hidden geologic wonder.

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Upcoming Broadcasts

Disappearing Lake; Ice Crawlers; Mushrooms (2506)

December 15, 8:30 p.m. [OPB TV]

All Season 27

Backyard Habitat & 2nd-Graders at the Bay (2713)

Oregon Field Guide: Episode #2713
Most Recent Broadcast: March 24, 2016

Buzz Holmstrom & 1 Million Plants In A Year (2712)

Oregon Field Guide: Episode #2712
Most Recent Broadcast: February 25, 2016

Swan Transplants & Alvord Gliders (2711)

Oregon Field Guide: Episode #2711
Most Recent Broadcast: February 18, 2016

Pika, Monarchs & Milkweed and Invasive Species BBQ (2710)

Oregon Field Guide: Episode #2710
Most Recent Broadcast: February 11, 2016

Discovering Valhalla: Oregon's Hidden Gorge (2709)

Oregon Field Guide: Episode #2709
Most Recent Broadcast: February 4, 2016

Christmas Ships, Waterfall Hunters & Moving Meacham Creek (2708)

Oregon Field Guide: Episode #2708
Most Recent Broadcast: November 19, 2015

Hole in the Lake, Gravity Sport and Tenkara (2707)

Oregon Field Guide: Episode #2707
Most Recent Broadcast: November 12, 2015

Sea Lions and Oyster Meroir (2706)

Oregon Field Guide: Episode #2706
Most Recent Broadcast: November 5, 2015

Desert Frogs, Halfway Calendar and Snowkiting (2705)

Oregon Field Guide: Episode #2705
Most Recent Broadcast: October 29, 2015

Urban Beavers, Dam Removals, Sandcastle Contest and Photogeology Tour (2704)

Oregon Field Guide: Episode #2704
Most Recent Broadcast: October 22, 2015

Cormorant vs. Salmon Pasta Seed Pods, Could a Mushroom Save a Honeybee & Lighthouse Photoessay (2703)

Oregon Field Guide: Episode #2703
Most Recent Broadcast: October 15, 2015

Wildlife Crossings, Behind-the-Scenes Mt. St. Helens Glacial Cave & Sand Labyrinth (2702)

Oregon Field Guide: Episode #2702
Most Recent Broadcast: October 8, 2015

Unprepared: An Oregon Field Guide Special (2701)

Oregon Field Guide: Episode #2701
Most Recent Broadcast: October 1, 2015


Major Support Provided By: Dorothy D. Gage

Additional Support Provided By: the Coit Family Foundation, Fred and Clara Dolen Charitable Foundation, Kay Kitagawa and Andy Johnson-Laird, Christine and David Vernier, and the Greenfield/Hartline Habitat Conservation Fund of the Nature Conservancy.

Special thanks for support by: The Roundhouse Foundation, Jon and Nancy Decherd, Bonnie and Peter Reagan