Yellowstone Park Trivia

Here, thanks to the Yellowstone staff, is a compilation of fun facts and trivia surrounding the park, from the record low temperature of -66 degrees Fahrenheit to more than 15 miles of boardwalks!

* World's First National Park

* A designated World Heritage Site and designated Biosphere Reserve

* 3,472 square miles or 8,987 square km

* 2,221,766 acres or 898,317 hectares

* 63 air miles north to south (102 km)

* 54 air miles east to west 87 km)

* 96 % in Wyoming

* 3 % in Montana

* 1 % in Idaho

* Highest Point: 11,358 ft / 3,462 m (Eagle Peak)

* Lowest Point: 5,282 ft / 1,610 m (Reese Creek)

* Larger than Rhode Island and Delaware combined

* Approximately 5% of park is covered by water; 15% is grassland; and 80% is forest

* Precipitation ranges from 10 inches (26 cm) at the north boundary to 80 inches (205 cm) in the southwest corner

* Temperatures (average) at Mammoth:

January: 9° F/-13 C

July: 80° F/27 C

Records:

High: 99°F/37 C, 2002 (Mammoth)

Low Temp: -66° F/-54 C (West Entrance, Riverside Station 1933)

* 26 associated American Indian tribes

* Approximately 1,600 archeological sites

* More than 300 ethnographic resources (animals, plants, sites)

* More than 24 sites, landmarks, and districts on the National Register of Historic Places

* 1 National Historic Trail

* More than 900 historic buildings

* More than 379,000 cultural objects and natural science specimens

* Thousands of books (many rare), manuscripts, periodicals

* About 90,000 photographic prints and negatives

* 5 park entrances

* 466 mi / 750 km of roads (310 mi/499 km paved miles)

* More than 15 Miles of boardwalks

* Approximately 1,000 mi / 1,600 km of backcountry trails

* 92 trailheads

* 301 backcountry campsites