• A bull elk bugles in Yellowstone National Park

    Yellowstone

    National Park ID,MT,WY

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  • Craig Pass Closed for the Season; Mammoth to Norris Closed Sept. 14-30

    The road linking West Thumb and Old Faithful is closed for the season—traffic should detour through West Thumb, Lake, and Canyon. The road from Mammoth to Norris is closed for two weeks—traffic should detour over Dunraven Pass. More »

Yellowstone Fact Sheet

GENERAL

  • 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 in
    July: 80° F/27 C
  • Records:
    High: 99°F/37 C, 2002 (Mammoth)
    Low Temp: -66° F/-54 C (West Entrance, Riverside Station 1933)

WILDLIFE

67 species of mammals, including:

  • 7 species of native ungulates
  • 2 species of bears
  • 322 recorded species of birds (148 nesting species)
  • 16 species of fish (5 non-native)
  • 6 species of reptiles
  • 4 species of amphibians
  • 2 threatened species: Canada lynx, grizzly bear
  • 1 endangered species: gray wolf

FLORA

  • 7 species of conifers
  • Approximately 80% of forest is comprised of lodgepole pine
  • Approximately 1,150 species of native vascular plants
  • More than 199 species of exotic (non-native) plants
  • 186 species of lichens
  • At least 406 species of thermophiles (only 1% of hydrothermal areas inventoried)

GEOLOGY

  • An active volcano
  • Approximately 1,000-3,000 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)
  • Thousands of petrified trees in northern Yellowstone
  • 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

  • 131.7 sq. miles (35,400 hectares) of surface area
  • 141 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 410 feet (122 m)

CULTURAL RESOURCES

  • 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

LATITUDE / LONGITUDE / UTM
(NOTE: ALL UTMS ARE "Nad83")

1. Center of the park:

44 36 53.25 (Lat) -110 30 03.93 (Long)
UTM Zone 12: 4940281 N, 539584 E

2. Old Faithful:

44 27 37.31 (Lat) -110 49 41.59 (Long)
UTM Zone 12: 4923021 N, 513665 E

3. Mammoth:

44 58 34.79 (Lat) -110 42 03.37 (Long)
UTM Zone 12: 4980364 N, 523580 E

4. Entrances:

East Entrance:

44 29 18.42 (Lat) -110 00 13.80 (Long)
UTM Zone 12: 4926609 N, 579209 E

North Entrance:

45 01 46.39 (Lat) -110 42 31.32 (Long)
UTM Zone 12: 4986275 N, 522949 E

Northeast Entrance:

45 00 12.09 (Lat) -110 00 04.62 (Long)
UTM Zone 12: 4983809 N, 578510 E

South Entrance:

44 07 56.97 (Lat) -110 39 52.83 (Long)
UTM Zone 12: 4886643 N, 526824 E

West Entrance:

44 39 30.27 (Lat) -111 05 49.87 (Long)
UTM Zone 12: 4945010 N, 492295 E


ROADS AND TRAILS

  • 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

VISITATION

  • In 2012 park visitation topped the 3 million mark for the sixth straight year. It was the second highest visitation year on record at 3,447,727; 2010 has the highest at 3,640,184 visitors.
  • 2010-2011 winter: 88,804 recreational visits

FACILITIES

  • 9 visitor centers and museums
  • 9 hotels/lodges (2,000+ hotel rooms/cabins)
  • 7 NPS-operated campgrounds (450+ sites)
  • 5 concession-operated campgrounds (1,700 sites)
  • 1,500+ buildings (NPS and concessions)
  • 52 picnic areas
  • 1 marina
  • 13 self-guiding trails

EMPLOYEES

  • During the summer:
    Approximately 780 National Park Service (about 400 year-round)
  • Approximately 3,200 work for concessions

MAILING ADDRESS

National Park Service
P.O. Box 168
Yellowstone National Park, WY 82190-0168
Internet Website: www.nps.gov/yell/

You can follow us on Twitter @
http://twitter.com/YellowstoneNPS



Did You Know?

Fire in Yellowstone Pineland in 1988

The 1988 fires affected 793,880 acres or 36 percent of the park. Five fires burned into the park that year from adjacent public lands. The largest, the North Fork Fire, started from a discarded cigarette. It burned more than 410,000 acres.