Largest U.S. Dam Removal to Restore Salmon Runs

The Pacific Northwest's Elwha River to teem with life again, experts say.

But on September 15, officials in Olympic National Park will begin the long process of dismantling the Elwha and Glines Canyon dams on the Elwha River. (See a map of the region.)

The largest dam-removal undertaking in U.S. history, the project could serve as an inspiration and a model for similar enterprises in other parts of the country, conservationists say.

"Close to a thousand dams have been removed across our country, but these are the biggest," said Amy Kober, a spokesperson for the environmental group American Rivers.

"It is one of the most significant restoration efforts we have ever seen."

(Learn about threats to fresh water and

Create your free account to continue reading

No credit card required. Unlimited access to free content.
Or get a Premium Subscription to access the best of Nat Geo - just $19
SUBSCRIBE

Read This Next

'World’s worst shipwreck' was bloodier than we thought
World’s first ultrasounds of wild manta rays reveal a troubling truth
Titanic was found during secret Cold War Navy mission

Go Further

Subscriber Exclusive Content

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet