Yellowstone National Park

American  

noun

1. a park in NW Wyoming and adjacent parts of Montana and Idaho: geysers, hot springs, falls, canyon. 3,458 sq. mi. (8,955 sq. km).

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Yellowstone National Park British  

noun

1. a national park in the NW central US, mostly in NW Wyoming: the oldest and largest national park in the US, containing unusual geological formations and geysers. Area: 8956 sq km (3458 sq miles)

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Yellowstone National Park Cultural  

1. Located in Wyoming.

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Famous for its geysers, including “Old Faithful,” and for its bears and buffalo.

The first national park in the United States.

Example Sentences

A new study tracking ravens and wolves in Yellowstone National Park over two-and-a-half years reveals a much more advanced strategy.

From Science Daily • Mar. 19, 2026

In June, Air Force Two landed in Butte, Montana, where Vice President JD Vance transferred to a motorcade of black SUVs that shuttled him south to a sprawling cattle operation near Yellowstone National Park.

From Salon • Dec. 4, 2025

A gateway to Yellowstone National Park surrounded by rugged scenery, the city draws a steady stream of tourists and is stocked with restaurants, bars and galleries.

From The Wall Street Journal • Oct. 19, 2025

"It is a very dangerous highway because it leads to the main entrance of Yellowstone National Park," he said.

From BBC • May 2, 2025

Grizzlies, by contrast, number no more than 35,000 in the whole of North America, and just 1,000 in the mainland United States, principally in and around Yellowstone National Park.

From "A Walk in the Woods" by Bill Bryson