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How Many Acres is Yellowstone National Park


Yellowstone National Park is not only America’s first national park but also one of the largest and most famous. This article provides an insight into the vastness of Yellowstone in terms of its acreage.

The Size of Yellowstone National Park

Total Acreage

  • Area: Yellowstone National Park spans approximately 2.2 million acres.


  • Size: It is larger than the states of Rhode Island and Delaware combined.
  • Context: This size makes Yellowstone one of the largest national parks in the U.S.

Yellowstone’s Geographical Spread

States Covered

  • Location: Yellowstone extends into three states – the majority in Wyoming, with smaller portions in Montana and Idaho.

Diverse Landscapes

  • Features: The park includes geysers, hot springs, waterfalls, mountains, and forests.
  • Wildlife: It’s home to a diverse range of wildlife including bears, wolves, bison, and elk.

Preservation and Significance

Conservation Efforts

  • Protection: The vast size of Yellowstone plays a critical role in the conservation of numerous species and natural features.
  • Management: The park is managed by the National Park Service.

Historical and Cultural Importance

  • First National Park: Yellowstone was established in 1872, making it the first national park in the world.
  • UNESCO World Heritage Site: It is recognized globally for its unique geothermal features and ecosystems.


Q: Can you visit all of Yellowstone in one day? A: Given its vast size, it’s challenging to explore the entirety of Yellowstone in a single day. Multiple days are recommended to fully experience the park.

Q: What is the best time to visit Yellowstone? A: The best time to visit varies depending on what you want to see and do. Summer months are the most popular for tourists.

Q: Are there any endangered species in Yellowstone? A: Yellowstone is home to several species that are considered threatened or endangered, including the grizzly bear and the Canada lynx.


Yellowstone National Park, encompassing over 2.2 million acres, is a testament to the natural beauty and ecological diversity of the United States. Its vastness not only provides a sanctuary for wildlife but also offers endless exploration opportunities for visitors. Understanding the scale of Yellowstone helps in appreciating its significance as a national treasure and a vital natural resource.