These stunning photos show how nature came back after the world’s largest dam removal project

by BY Adele Peters thanks to Pam P.

It’s been less than a year since the world’s largest dam removal project was completed along 420 miles of the Klamath River, near the border of Oregon and California. But if you look at the river now, you might not know that four dams had ever been in place. Instead of concrete walls and artificial reservoirs, the river is now free-flowing—and parts of the former infrastructure have been replaced by wildflowers that are in bloom.

Iron Gate Dam, circa 2023 [Photo: Brian van der Brug/Los Angeles Times/Getty Images]

“It’s been an incredible transition,” says Ann Willis, California regional director at American Rivers, a nonprofit that supported Native American tribes in a decades-long fight to take out the dams. “It’s really strange and wonderful to stand on the bridge that goes across the Klamath River and look upstream where Iron Gate Dam used to be. I used to imagine a river above it, and now I see the river.”

Construction crews remove the top of the cofferdam that was left of Iron Gate Dam, allowing the Klamath River to run in its original path for the first time in nearly a century near Hornbrook, California, in August 2024. [Photo: Carlos Avila Gonzalez/San Francisco Chronicle/Getty Images]

The dams were built between 1918 and 1962 to provide hydropower, and immediately blocked salmon from migrating. Over time, the ecosystem started to collapse. By 1997, coho salmon in the river were listed as endangered. (The river was once the third-largest salmon fishery in the continental U.S.) In 2002, when the federal government diverted water to farms instead of letting it flow downstream in the river, tens of thousands of salmon died. Local tribes like the Yurok—who have lived by the river for at least 10,000 years, and who consider salmon a central and sacred part of their culture—started the long fight to take out the dams. (continued)

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