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Yellowstone National Park


Wyoming

Interesting facts

Some facts about Yellowstone NP

  • World’s First National Park
  • A designated World Heritage Site
  • A designated Biosphere Reserve Site
  • 3,472 square miles or 8,987 square km
  • 2,219,789 acres or 898,317 ectares
  • 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 forested
  • Precipitation ranges from 10 inches (26 cm) at the north boundary to 80 inches (205 cm) in the southwest corner
  • Temperatures (average) range from 9 F / -13 C in January to 80 F / 27 C in July at Mammoth Hot Springs
  • Record High Temp: 98 F / 37 C (Lamar 1936)
  • Record Low Temp: -66 F / -54 C (Madison 1933)

WILDLIFE

  • 7 species of native ungulates
  • 2 species of bears
  • Approximately 50 species of other mammals
  • 311 recorded species of birds (148 nesting species)
  • 18 species of fish (6 non-native)
  • 6 species of reptiles
  • 4 species of amphibians
  • 5 species protected as "threatened or endangered"
    Threatened: bald eagle, grizzly bear, lynx
    Endangered: whooping crane, gray wolf

FLORA

  • 8 species of conifers
  • Approximately 80% of forest is comprised of lodgepole pine
  • More than 1,700 species of native vascular plants
  • More than 170 species of exotic (non-native) plants
  • 186 species of lichens

GEOLOGY

  • An Active Volcano
  • Approximately 2,000 earthquakes annually
  • Approximately 10,000 thermal features
  • More than 300 geysers
  • One of the world’s largest calderas, measuring 45 by 30 miles (72 by 48 km)
  • One of the world's largest petrified forests
  • Approximately 290 waterfalls, 15 ft. or higher, flowing year-round
  • Tallest waterfall: Lower Falls of the Yellowstone River at 308 ft. (94 m)

YELLOWSTONE LAKE

  • 136 sq. miles (35,400 hectares) of surface area
  • 110 miles (177 km) of shoreline
  • 20 miles (32 km) north to south
  • 14 miles (23 km) east to west
  • Average depth: 140 feet (43 m)
  • Maximum depth: about 400 feet (122 m)

ROADS AND TRAILS

  • 5 park entrances
  • 466 mi / 750 km of roads (310 mi/499 km paved miles)
  • 950 mi / 1,529 km of backcountry trails
  • 97 trailheads
  • 287 backcountry campsites

VISITATION

  • 2000 - 2,838,233 visitors
  • Record year: 1992 – 3,144,405 visitors
  • Winter visitors: Approximately 140,000

FACILITIES

  • 9 visitor centers and museums
  • 9 hotels/lodges (2,238 hotel rooms/cabins)
  • 7 NPS-operated campgrounds (454 sites)
  • 5 concession-operated campgrounds (1,747 sites)
  • 2,000+ buildings (NPS and concessions)
  • 49 picnic areas
  • 1 marina

Visitor Center
Please visit also the official Website of Yellowstone National Park, see link further below.

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Document Information
Source: National Park Service; magazinUSA.com
Last modified: 20070216
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