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.

Columbia Gorge Bike Tour - Bicycle Adventures

Lewis and Clark in Washington

Cargo of Lewis & Clark – Columbia Gorge Discovery Center

Down the Columbia - Discover Lewis & Clark

Follow the Lewis & Clark Expedition on American Cruise Lines voyage – Crown Cruise VacationsCrown Cruise Vacations

History Columbia River Gorge

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

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

Pacific Northwest Lewis & Clark Trail