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Earthquake Lake

Scenic Lake Formed by Landslide in 1959

“Quake Lake”

Lake in Gallatin NF, Rocky Mountains near Grayling, MT

Also known as Quake Lake, Earthquake Lake is a unique lake to the west of Yellowstone National Park that was formed in 1959 when a magnitude 7.3 earthquake triggered landslide formed a dam across the Madison River.

At the outlet of the lake there is a Visitor Center that describes the lake’s history and a Picnic Area.

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On Wikipedia

Quake Lake (officially Earthquake Lake) is a lake in southwestern Montana in the United States. It was created after an earthquake struck on August 17, 1959, killing 28 people. Today, Quake Lake is 190 feet (58 m) deep and 6 miles (9.7 km) long. US 287 follows the lake and offers glimpses of the effects of the earthquake and landslide, and a visitor center is just off the road. The lake is mostly within Gallatin National Forest.

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Lake