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    Yellowstone National Park Facts and Figures
    
    
    Annual Budget
    Cultural Resources
    Elevation
    Employee / Staff Info
    Entrance Info
    Facilities
    Flora
    Geology
    History
    Lake & River Info
    Land Mass
    Location
    Road & Trail Info
    Size
    UTMs
    Visitation Info
    Waterfalls
    Weather
    Wildlife
    Yellowstone Metadata


    World's First National Park - See History Page

    Forty-Second Congress of the United States of America;
    At the Second Session,
    Begun and held at the City of Washington, on Monday, the Fourth day of December, one thousand eight hundred and seventy-one.

    Established 01 March 1872, by an act of the U.S. Congress and signed by President Ulysses S. Grant.
    Grant was the 18th president of the United States and Grant Village was named in his honor.

    The actual Congressional Act Creating Yellowstone National Park
    The actual Congressional Act Creating Yellowstone National Park

    Signed by:

    James Gillespie Blaine - Speaker of the House of Representatives
    Schuyler Colfax - Vice President of the United States and President of the Senate
    George Congdon Gorham - Secretary of the Senate
    Ulysses S. Grant (Hiram Ulysses Grant) - President of the United States

    ~
    Designated an International Biosphere Reserve on 26 Oct 1976
    Designated a World Heritage Site on 08 Sep 1978
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    Location

    Northwest corner of Wyoming
    Southwest border of Montana
    Eastcentral border of Idaho

    96% in Wyoming
    3% in Montana
    1% in Idaho
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    Latitude / Longitude / UTM
    (NOTE: ALL UTMS ARE "Nad83")
    Center of the Park
    44 36 53.25 (Lat) -110 30 03.93 (Long)
    UTM Zone 12: 4940281 N, 539584 E
    North Entrance
    45 01 46.39 (Lat) -110 42 31.32 (Long)
    UTM Zone 12: 4986275 N, 522949 E
    Old Faithful
    44 27 37.31 (Lat) -110 49 41.59 (Long)
    UTM Zone 12: 4923021 N, 513665 E
    Northeast Entrance
    45 00 12.09 (Lat) -110 00 04.62 (Long)
    UTM Zone 12: 4983809 N, 578510 E
    Mammoth
    44 58 34.79 (Lat) -110 42 03.37 (Long)
    UTM Zone 12: 4980364 N, 523580 E
    South Entrance
    44 07 56.97 (Lat) -110 39 52.83 (Long)
    UTM Zone 12: 4886643 N, 526824 E
    East Entrance
    44 29 18.42 (Lat) -110 00 13.80 (Long)
    UTM Zone 12: 4926609 N, 579209 E
    West Entrance
    44 39 30.27 (Lat) -111 05 49.87 (Long)
    UTM Zone 12: 4945010 N, 492295 E
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    Size - See Map Page

    Square miles - 3,472 / 8,987 square km
    Acres - 2,219,789 / 898,317 hectares
    Miles north to south - 63 / 102 km
    Miles east to west - 54 / 87 km
    Larger than Rhode Island and Delaware combined
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    Elevation

    Highest point: 11,358 feet / 3462 meters - Eagle Peak
    Lowest point: 5,282 feet / 1610 meters - Reese Creek
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    Land Mass Make-up

    80% is forested
    15% is meadow and grassland
    5% is covered by water (approximately)
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    Geology - See Geyser Page and Waterfalls Page

    An Active Volcano
    Earthquakes: approximately 2,000 a year
    Thermal features: 10,000 (approximately)
    Active geysers: 300 (approximately)
    Approximately 290 waterfalls, 15 feet or higher, flowing year-round
    Tallest waterfall: 308 feet / 94 meters - Lower Falls of the Yellowstone River - Grand Canyon of the Yellowstone
    One of the world's largest calderas (volcanic explosion crater), measures 45 mi x 30 mi / 72 km x 48 km
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    Flora

    Conifers - eight (8) species (approximately 80% of forest is comprised of lodgepole pine)
    Native vascular plants - approximately 1,700 species
    Exotic (non-native) plants - 170 species
    Lichens - 186 species
    Back to Index


    Wildlife - See Wildlife Page

    Largest concentration of free-roaming wildlife in the lower 48 states and the global temperate zone

    • Amphibian Species - 4
    • Bird Species - 311 (148 nesting species)
    • "Endangered or threatened" protected species - 5
    • Fish Species - 18 (6 non-native)
    • Mammal Species - approximately 50
      • Bear Species - 2
        • Black Bear
        • Grizzly Bear
      • Canids (Dogs) Species - 4
        • Coyote
        • Swift Fox
        • Red Fox
        • Wolf - See the Wolf Page
      • Ungulate Species (native hoofed mammals) - 7
    • Reptile Species - 6
    The list below names federally listed endangered or threatened species known to reside or occur in Yellowstone National Park. In August 1995, the U.S. Fish and Wildlife Service issued new policy indicating Category 2 species are no longer considered candidates for listing. The list below of formerly classified Category 2 species indicates species about which we lack good information. These species are not all confirmed to be in Yellowstone, but may occur or reside here. Back to Index


    Annual Budget - Fiscal Year

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    Weather - See Weather Page for current conditions and more weather history data

    Precipitation ranges from 10 inches (26 cm) at North boundary to 80 inches (205 cm) in the Southwest corner
    Temperatures range from 10° F (-12° C) mean in January to 55° F (13° C) mean in July
    at Yellowstone Lake in the center of the park
    Record High Temp: 98° F (37° C) - Lamar 1936
    Record Low Temp: -66° F (-54° C) - Madison 1933
    Yellowstone's Average Temperatures and Precipitation

    Weather Data - 48 Year Average Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
    Average Maximum Temperature (F) 28.6 34.0 39.6 49.4 60.4 70.0 79.6 78.3 67.8 55.7 38.7 30.5 52.8
    Average Minimum Temperature (F) 9.6 13.0 17.2 26.0 34.3 41.2 46.7 45.3 37.0 29.4 19.2 11.8 27.6
    Average Precipitation (Inches) 1.1 0.75 1.1 1.2 2.0 2.0 1.5 1.4 1.3 1.0 1.0 1.0 15.4
    Average Total Snow Fall (Inches) 14.5 10.4 13.1 5.9 1.5 0.1 0.0 0.0 0.5 3.7 9.0 13.5 72.1

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    45th Parallel North of Mammoth - by John W. Uhler ©

    45th Parallel North of Mammoth - by John W. Uhler


    Cultural Resources

    A designated World Biosphere Reserve - 26 Oct 1976 - First area in the U.S. to be designated
    A designated World Heritage Site - 08 Sep 1978 - First natural area in the U.S. to be designated
    Archaeologic sites - 1,000+ (known)
    Historic structures - 1,106
    Historic Districts - 13
    National Historic Landmarks - 6 (Obsidian Cliff and 5 buildings)
    Historic photographs - 90,000
    Museum objects - over 200,000
    Linear feet of archives - 2,500
    Research Library with over - 20,000 volumes
    21 Affiliated American Indian tribes
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    Roads and Trails - See Roads Page and Hiking Page

    Five (5) Park Entrances - For Locations See Map Page

      North Entrance - Gardiner, Montana - ONLY Entrance OPEN Year Round for Visitation
      Northeast Entrance - Silver Gate, Montana
      East Entrance - Cody, Wyoming
      South Entrance - Moran, Wyoming
      West Entrance - West Yellowstone, Montana
    The road from the North Entrance to the Northeast Entrance is the ONLY Road Open All Year to wheeled vehicles
    Miles of paved roads - 370 / 595 km
    North or Upper Loop - 70 miles / 113 km
    South or Lower Loop - 96 miles / 155 km
    Grand Loop (North and South Loops) - 142 miles / 229 km
    Approximately miles of trails - 1,200 / 1,931 km
    Trailheads - 97
    Backcountry campsites - 300 (approximately)
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    Visitation Information - See Visitor Statistics

    Months with most visitors

    Jul - 738,807 (Jul 06)
    Aug - 635,666 (Aug 06)
    Jun - 557,213 (Jun 06)
    Sep - 428,369 (Sep 06)
    Months with least visitors
    Nov - 12,382 (Nov 06)
    Mar - 18,879 (Mar 06)
    Dec - 19,046 (Dec 06)
    Jan - 23,989 (Jan 06)
    Most visitors: 1992 � 3,144,405

    Winter Visitation: 100,223 (Nov 05 - Mar 06)

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    Entrance Information - Open / Closure Information

    Busiest Entrance - West
    Least Busiest Entrance - Northeast
    West Entrance usually opens in mid-April
    East and South Entrances open approximately a month or so later (depends on road plowing)
    East, South and West Entrances normally close the first Monday in November at 8:00 am
    East, South and West Entrances open for winter activities usually in mid-December
    Winter access via above gates by - snowshoes, skis, snowmobile or snowcoach (no wheeled vehicles)
    East, South and West Entrances close in mid-March for winter activities
    North Entrance - only entrance open year round to wheeled vehicles (winter, spring, summer & fall)
    Open / Closure dates are established by the Park Service and are subject to change due to weather or other conditions
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    Yellowstone Lake - For Location See Map Page

    Square miles surface area - 136 / 35,400 hectares
    Miles of shoreline - 110 / 177 km
    Miles north to south - 20 / 32 km
    Miles east to west - 14 / 23 km
    Average depth - 140 feet / 43 m
    Maximum depth - 400 feet / 122 m
    124 Tributaries
    Other Major Lakes - For Locations See Map Page
    Heart Lake
    Lewis Lake
    Shoshone Lake
    Rivers and Creeks
    DeLacy Creek
    Firehole River
    Gardner River
    Gibbon River
    Lamar River
    Lewis River
    Madison River
    Soda Butte Creek
    Slough Creek
    Yellowstone River
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    Waterfalls - there are over 290 - See the Waterfalls Page

    Dunnada Falls
    Fairy Falls
    Firehole Falls
    Keplers Cascade
    LeHardys Rapids
    Lower Falls
    Moose Falls
    Mystic Falls
    Tower Fall
    Undine Falls
    Union Falls
    Upper Falls
    Back to Index


    Facilities - See Visitors Guide and Camping Page and Lodging Page

    Nine (9) visitor centers / museums / information stations - For Details See: Address Page
    Nine (9) hotels / lodges (2,184 hotel rooms / cabins)
    Seven (7) National Park Service operated campgrounds (458 sites) - For Details See: Camping Page
    Five (5) concession operated campgrounds (1,744 sites) - For Details See: Camping Page
    Over 2,000 buildings (National Park Service and concession)
    Picnic Areas - 49
    Ranger Stations - Park Headquarters is located at Mammoth, Wyoming - and is open all year
    Bechler - Southwest corner of park - backcountry
    Bridge Bay
    Canyon
    East Entrance
    Grant Village
    Lake
    Lamar
    Lewis Lake
    Madison
    Mammoth - open year round
    Norris
    North Entrance
    Northeast Entrance
    Old Faithful
    South Entrance
    Thorofare - Southeast corner of park - backcountry
    Tower - by Roosevelt Lodge (open during winter activities)
    West Entrance
    Back to Index


    Employees / Staffing - See Former Employee Page

    During the Summer

    • National Park Service - 800
    • Concessions - 3,700
    During Other Seasons
    • National Park Service - 380
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    Yellowstone Metadate - Natural Resource Inventory & Monitoring Program: Official Inventory or Monitoring Records

    Yellowstone Metadate

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