GENERAL
 World’s
First National Park
A
designated World Heritage Site
A
designated Biosphere Reserve Site
3,472
square miles or 8,987 square km
2,221,766
acres or 899,121 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 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)
CULTURAL RESOURCES
1,000+
documented archeological sites
1,106 historic
structures
6 National
Historic Landmarks (Obsidian Cliff & 5 buildings)
Nearly 200,000
museum objects
20,000 titles
in Park Research Library
2,500 linear
feet of historic documents
About 90,000
photographic prints and negatives
21 Affiliated
American Indian tribes
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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)
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
EMPLOYEES
During the summer:
Approximately
800 National Park Service (about 380 year-round)
Approximately
3,700 work for concessions
MAILING ADDRESS
National Park Service
P.O. Box 168
Yellowstone National Park, WY 82190-0168
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