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Welcome to Yellowstone Insider 3.0!

Welcome to the third version of Yellowstone Insider! You’ll find some old faces and new voices as we continue to bring you the Internet’s definitive guide to America’s oldest National Park. We think you'll be happy with the many, many changes we've made in a complete overhaul of the site.

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Visitor Information


Whether you're coming to Yellowstone National Park for the first or umpteenth time, there's information it's good to know before you arrive. This section of Yellowstone Insider covers a wide range of useful information for the visitor -- not the stuff about bears and geysers -- but the nitty-gritty information like how much it costs to enter the park, where the doctors are located, and where a letter can be mailed. 

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Privacy Policy

This Privacy Policy lets you know how your personal information from the Yellowstone Insider Website is processed and used.

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Contact Us

We want to hear from you! There are several ways to interact with the editors of Yellowstone National Park, as well as the many, many Yellowstone National Park enthusiasts.

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Advertise on Yellowstone Insider

At August Publications, we take our partnerships seriously. Since 2003 August Publications has been a leading source of information on the Internet for sports and outdoors professionals and enthusiasts. Overall, over a million Internet users visited August Publications websites in 2008, but our emphasis isn’t on raw numbers: it’s on providing targeted editorial content to a highly desirable segment of decision-makers in the outdoor-activity field. We believe a combination of advertising on our network of websites, newsletters, and multimedia can be an effective marketing tool for your firm.

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Driving Mountain Highways

Every year millions of people travel over mountain roads in the Greater Yellowstone Region and come home safe and sound. There’s nothing special about mountain highways that you won’t encounter elsewhere, except perhaps 1,000 foot drop-offs, hairpin curves, and 6-9 percent grades that go on for twenty miles. What are a few white knuckles for all those views and vistas? ...

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Yellowstone’s not out to get you; but it can.   The park service has been sued many times about whether it does enough to protect visitors. Over the years a kind of legal framework has been built that, roughly speaking, entrusts the park service with the job of informing the public about the dangers of Yellowstone, of erecting sufficient barriers ...

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Yellowstone Plants and Animals

From heat-loving microscopic microbes to the big lumbering beasts such as bison and bears, the Greater Yellowstone Ecosystem is world-famous for its plant and animal life. When you ask visitors what was it about Yellowstone that they found the most interesting, more often than not the first in the list is animals — not geysers. In the developed world where ...

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Yellowstone’s Active Geology

Yellowstone Caldera

Something changes almost every day in Yellowstone: a geyser erupts that hasn’t erupted in years, a new fumarole pushes steam out of the ground, a hot spring runs dry. Almost every day there are earthquakes, most of them detectable only by the most sensitive of seismographs. Every once in a while there are bigger earthquakes, not necessarily as big as the one that caused the Hebgen Lake disaster, but still big enough to rattle dishes and people’s nerves.


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Destination Yellowstone


If you told your friends or family that you were going to spend some of your vacation in an active volcano, they might think you were crazy. Yet every year more than three million people do exactly that. Yellowstone National Park is a volcano. Almost everything that is special in Yellowstone is the result of being one of the world’s largest active volcanoes, in fact, a super-volcano. Fortunately, Yellowstone’s current volcanic activity is limited to hot water and earthquakes -- no eruptions, flowing magma, or cataclysmic explosions. Yellowstone did the cataclysmic explosion thing about 640,000 years ago and is resting for a possible encore in some more tens of thousands of years. Yellowstone the volcano is not going to erupt anytime soon.

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