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Yellowstone National Park Facts and Figures
World's First National Park - See History Page
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- 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.
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
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Old Faithful
44 27 37.31 (Lat) -110 49 41.59 (Long)
UTM Zone 12: 4923021 N, 513665 E
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Northeast Entrance
45 00 12.09 (Lat) -110 00 04.62 (Long)
UTM Zone 12: 4983809 N, 578510 E
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Mammoth
44 58 34.79 (Lat) -110 42 03.37 (Long)
UTM Zone 12: 4980364 N, 523580 E
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South Entrance
44 07 56.97 (Lat) -110 39 52.83 (Long)
UTM Zone 12: 4886643 N, 526824 E
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East Entrance
44 29 18.42 (Lat) -110 00 13.80 (Long)
UTM Zone 12: 4926609 N, 579209 E
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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
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- 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
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- 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
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- 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
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- 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
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- 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
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Wildlife - See Wildlife Page
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- 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
- 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.
E n d a n g e r e d
Gray wolf (Canis lupus)
Whooping crane (Grus americana)
T h r e a t e n e d
Grizzly bear (Ursus arctos horribilis)
Bald eagle (Haliaeetus leucocephalus) the eagle was down listed from endangered to threatened in four of five regions, including the one containing Yellowstone, in July 1995.
Lynx (Felis lynx canadensis) listed in March 2000.
Note: The peregrine falcon (Falco peregrinus) formerly endangered, was delisted in August 1999.
Other Species of Concern
Category 1 species are candidates for listing on the federal list of threatened or endangered species.
Mountain plover (Charadrius montanus) Migrant
Arctic grayling (Thymallus arcticus) in 1994, listing was determined to be warranted but pre-cluded at that time.
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.
Wolverine (Gulo gulo luscus)
Spotted bat (Euderma maculatum)
Preble's shrew (Sorexpreblei) only one recorded specimen from Yellowstone
Long-billed curlew (Numenius americanus) Migrant
Burrowing owl (Athene cunicularia) Migrant
Ferruginous hawk (Buteo regalis ) Migrant
Trumpeter swan (Cygnus buccinator)
Harlequin duck (Histrionicus histrionicus)
Black tern (Chlidonias niger) Occasional
Loggerhead shrike (Lanius ludovicianus) Migrant
Northern Goshawk (Accipiter gentilis)
Western boreal toad (Bufo boreas boreas)
Spotted frog (Rana pretioas)
Ross' bentgrass ( Agrostis rossiae) Endemic to Yellowstone
Yellowstone sand verbena ( Abronia ammophila)
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Annual Budget - Fiscal Year
- 2006 - $ 30,605,000
- 2005 - $ 29,845,000
- 2004 - $ 28,116,000
- 2003 - $ 27,669,000
- 2002 - $ 27,043,000
- 2001 - $ 25,122,000
- 2000 - $ 24,508,000
- 1999 - $ 23,545,000
- 1998 - $ 22,421,000
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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
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- 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
Cultural Resources
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- 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
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- 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
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- Jul - 738,807 (Jul 06)
- Aug - 635,666 (Aug 06)
- Jun - 557,213 (Jun 06)
- Sep - 428,369 (Sep 06)
Months with least visitors
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- 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
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- 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
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- 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
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- Heart Lake
- Lewis Lake
- Shoshone Lake
Rivers and Creeks
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- 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
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- Dunnada Falls
- Fairy Falls
- Firehole Falls
- Keplers Cascade
- LeHardys Rapids
- Lower Falls
- Moose Falls
- Mystic Falls
- Tower Fall
- Undine Falls
- Union Falls
- Upper Falls
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Facilities - See Visitors Guide and Camping Page and Lodging Page
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- 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
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- 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
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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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Comments or Suggestions are Welcome. Send To: John. Thank You!
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