Lower Slide Lake is located in Bridger-Teton National Forest

Bridger-Teton National Forest

Bridger-Teton National Forest is located in western Wyoming, United States. The forest consists of , making it the second largest National Forest outside of Alaska. The forest stretches from Yellowstone National Park, along the eastern boundary of Grand Teton National Park and from there rides...

, in the U. S. state of Wyoming

Wyoming

Wyoming is a state in the mountain region of the Western United States. The western two thirds of the state is covered mostly with the mountain ranges and rangelands in the foothills of the Eastern Rocky Mountains, while the eastern third of the state is high elevation prairie known as the High...

. The natural lake was created on June 23, 1925 when the Gros Ventre landslide

Gros Ventre landslide

The Gros Ventre landslide is located in the Gros Ventre Wilderness of Bridger-Teton National Forest, Wyoming, United States. The Gros Ventre landslide is east of Jackson Hole valley and Grand Teton National Park....

 dammed the Gros Ventre River

Gros Ventre River

The Gros Ventre River is a tributary of the Snake River in the state of Wyoming. It rises in the Gros Ventre Wilderness in western Wyoming, and joins the Snake River in the Jackson Hole valley. In 1925, the massive Gros Ventre landslide dammed the river and formed Lower Slide Lake...

. The lake was once much larger, however part of the rock dam failed less than two years later, on May 18, 1927, causing deadly flooding downstream. The lake waters have natural and stocked fish including lake trout

Lake trout

Lake trout is a freshwater char living mainly in lakes in northern North America. Other names for it include mackinaw, lake char , touladi, togue, and grey trout. In Lake Superior, they can also be variously known as siscowet, paperbellies and leans...

, Snake River cutthroat trout

Cutthroat trout

The cutthroat trout is a species of freshwater fish in the salmon family of order Salmoniformes. It is one of the many fish species colloquially known as trout...

, and mountain whitefish

Mountain whitefish

The mountain whitefish is one of the most widely distributed salmonid fish of western North America. It is found from the Mackenzie River drainage in Northwest Territory, Canada south through western Canada and the northwestern USA in the Pacific, Hudson Bay and upper Missouri River basins to the...

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