The Columbia River Gorge - Discover Lewis & Clark

The Columbia River Gorge was formed by a complex interplay of flood basalt deposition, basin subsidence, and faulting.

Clark Knew They Were Near Pacific (U.S. National Park Service)

Pacific Northwest Lewis & Clark Trail

Mt. Hood and the Columbia River Gorge

Multnomah Falls & Columbia River Gorge Tour – PDX03 – Gray Line of Oregon

Columbia Gorge Bike Tour - Bicycle Adventures

Oregon: Mt. Hood & Columbia River Gorge - Lewis and Clark National Historic Trail Experience

The Columbia River Gorge - Lewis and Clark Episode 21

April 7, 1806 - Discover Lewis & Clark

Explore the Columbia River Gorge on the Lewis & Clark Trail Scenic Byway, City Explorations