Yellowstone National Park, Wyoming
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| Long before any recorded human history in Yellowstone, a massive volcanic eruption spewed an immense volume of ash that covered all of the western U.S., much of the Midwest, northern Mexico and some areas of the eastern Pacific. The eruption dwarfed that of Mt. St. Helens in 1980 and left a caldera 30 miles wide by 45 miles long. That climactic event occurred about 640,000 years ago, and was one of many processes that shaped Yellowstone National Park--a region once rumored to be "the place where hell bubbles up." Geothermal wonders, such as Old Faithful, are evidence of one of the world's largest active volcanoes. These spectacular features bemused and befuddled the park's earliest visitors, and helped lead to the creation of the world's first national park. Fur trappers' fantastic tales of cauldrons of bubbling mud and roaring geysers sending steaming plumes skyward made their way back east. Several expeditions were sent to investigate, opening the West to further exploration and exploitation. In 1871, Ferdinand Hayden led an expedition that included artist Thomas Moran and photographer William H. Jackson. They brought back images that helped convince Congress that the area known as Yellowstone needed to be protected and preserved. In 1872, President Ulysses S. Grant signed a law declaring that Yellowstone would forever be "dedicated and set apart as a public park or pleasuring ground for the benefit and enjoyment of the people."
| | Directions: | Plane - Commercial airlines serve the following airports near Yellowstone National Park all year: Cody and Jackson, WY; Bozeman and Billings, MT, and Idaho Falls, ID. The West Yellowstone, MT airport is open from June to early September.
Car - North Entrance - Near the gateway community of Gardiner, MT, the North Entrance is the only park entrance open to wheeled vehicles all year. November through April, the North Entrance provides the only access to Cooke City, MT. Beyond Cooke City the road is closed to wheeled vehicles November through April. The road from Mammoth to Norris is open to wheeled vehicles from the third Friday in April through the first Sunday in November, and to tracked oversnow vehicles from the third Wednesday in December to Monday of the first full week in March. West Entrance - Adjacent to the town of West Yellowstone, MT, the West Entrance is open to wheeled vehicles from the third Friday in April through the first Sunday in November, and to tracked oversnow vehicles from
| | Contact: |
National Park Service
P.O. Box 168
Yellowstone National Park,
WY
82190-0168
Phone: Visitor Information 307-344-7381
Visitor Information for the Hearing Impaired (TDD) 307-344-2386
Email: yell_visitor_services@nps.gov
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| Yellowstone National Park |
| Recreation Opportunities |
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| Autotouring
| Biking
| Boating
| Camping
| Climbing
| Fish Hatcheries
| Fishing
| Hiking
| Horseback Riding
| Water Sports
| Wildlife Viewing
| Winter Sports
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