California Landslides & Floods

California Landslides & The Great Flood of 1964

Discover where & why California has so many landslides, and learn about the biggest flood ever - the Great Christmas Flood of 1964!

Oroville Dam

Oroville Dam, California

At 770 feet, this is America's tallest dam, and one of the largest earthen dams in the world. It's the cornerstone of California's water system.

Mouth of the Columbia River

Mouth of the Columbia River

"Graveyard of the Pacific"

Explore the biggest river on the Pacific Coast, the goal of explorers for two centuries, and the graveyard for over 2000 ships!

The Columbia River is a major shipping route, and as such is lined with industrial facilities all the way to Portland. But in these green hills, even docks and warehouses look pretty good!