Yellowstone National Park is a national park in the United States, mainly in Wyoming, but with small portions in the neighbouring states of Montana and Idaho. Yellowstone has an area of 8983 km², making it at once one of the largest national parks in the United States. The average altitude in the park is 2440 metres. Most of the park consists of forest in Wyoming. The park is home to many animal species, including bison, deer, several species of bear, coyotes and wolves. The park contains over 800 kilometres of paved roads and twice as many kilometres in hiking trails. To the south, Yellowstone connects to Grand Teton National Park.
The park has about 10,000 hot springs and more than 200 geysers in the Upper Geyser Basin, of which Old Faithful is the most famous. This geyser spouts up a 45-metre-high column of water and steam every 45 to 125 minutes, on average every 92 minutes. Some other famous geysers only spout once every 6 to 8 months, and there are geysers that have not spouted for years.
                                
 
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 Lake Tekapo, New ZealandJeroen van Deel
Lake Tekapo, New ZealandJeroen van Deel Tongariro National Park, New ZealandJeroen van Deel
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Nugget Point, The end of the worldJeroen van Deel Hot air balloon at sunsetJeroen van Deel
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Shell in the tropical sandJeroen van Deel Neist Point - Isle of SkyeJeroen van Deel
Neist Point - Isle of SkyeJeroen van Deel Neist Point - Isle of SkyeJeroen van Deel
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Colourful field of wild flowersJeroen van Deel Leeuwin op een rotsJeroen van Deel
Leeuwin op een rotsJeroen van Deel Witte Allium in bloeiJeroen van Deel
Witte Allium in bloeiJeroen van Deel Blue Lake, a lake near RotoruaJeroen van Deel
Blue Lake, a lake near RotoruaJeroen van Deel Young New Zealand silver fernJeroen van Deel
Young New Zealand silver fernJeroen van Deel Orange starfish and sea anemonesJeroen van Deel
Orange starfish and sea anemonesJeroen van Deel Sunset, Haystack Rock, Cannon beachJeroen van Deel
Sunset, Haystack Rock, Cannon beachJeroen van Deel Redwoods CaliforniaJeroen van Deel
Redwoods CaliforniaJeroen van Deel Upper Falls, Yellowstone National Park, USAJeroen van Deel
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Morning Glory Pool, Yellowstone National Park, USAJeroen van Deel Grand Teton National Park, USA, Oxbow BendJeroen van Deel
Grand Teton National Park, USA, Oxbow BendJeroen van Deel Glacier National Park, St. Mary Lak, Wild Goose Island, Montana, USAJeroen van Deel
Glacier National Park, St. Mary Lak, Wild Goose Island, Montana, USAJeroen van Deel Glacier National Park, St. Mary Lake, Montana, USAJeroen van Deel
Glacier National Park, St. Mary Lake, Montana, USAJeroen van Deel