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

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Yellowstone National Park

The resulting hydrothermal systems, comparable to the network of geysers around Yellowstone National Park, may have created favorable settings for the origin and early evolution of life.

From Science Daily ● Jul. 2, 2026

A magnitude 7.2 quake in 1959 centered in Montana near Yellowstone National Park triggered the largest quake-triggered landslide on record in North America.

From Los Angeles Times ● May 4, 2026

Summer at Yellowstone National Park usually means gridlocked traffic and booked-up lodges.

From The Wall Street Journal ● Jan. 24, 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

“Allow me to introduce myself. I am Sir Francis Sasquatch III of the Yellowstone National Park Sasquatches. Formally knighted in both Faerie Courts. An absolute pleasure to meet you. Sweetheart, you’re all anyone’s talking about.”

From "Amari and the Night Brothers" by B.B. Alston