Before you embark on an adventure to America's first national park, flex your knowledge muscles with these intriguing Yellowstone facts.



  1. Yellowstone was established on March 1, 1872, making it the worlds first National Park.
  2. It contains 3,472 square miles (2,221,766 acres) larger than Rhode Island and Delaware combined.
  3. The park is contained in three states: 96% in Wyoming, 3% in Montana, and 1% in Idaho.
  4. The highest point in the park is 11,358' at Eagle Peak, and the lowest point in the park is 5,282' at Reese Creek.
  5. There are more than 10,000 hydrothermal features.
    • Geysers, hot springs, mud pots and fumaroles
  6. Yellowstone has 1000 to 3000 earthquakes annually.
  7. There are more than 500 active geysers.
  8. There are more than 290 waterfalls.
  9. Yellowstone Lake is the largest high-elevation lake in North America.
  10. Yellowstone is home to 67 species of mammals, the largest concentrations of mammals in the lower 48 states.
    • 285 species of birds, 16 species of fish, 6 species of reptiles, 5 species of amphibians, and more than 7 aquatic nuisance species.
  11. Yellowstone has more than 1800 archaeological sites.
  12. There are five park entrances and 466 miles of roads.
  13. There are 15 miles of boardwalk.
  14. There are 92 trailheads that access approximately 1000 miles of trails.


Happy Travels!