Yellowstone National Park
Yellowstone is a huge park covering over 3400 square miles in Wyoming, Montana and Idaho. It can be reached by air to Cody or Jackson, 50 miles from the entrance. There is no train service nearby. Limited bus service is available from some of the nearby towns. Once in the area, a car is almost a must. The park has 5 entrances,which are open from May to October. It is a good idea to plan a trip during the good weather, but expect big crowds and slow traffic. Parts of the park are open in the winter for snow sports.
Be sure to come prepared for a variety of weather conditions at any time of the year. Take enough of your clothing so you will be prepared for unexpected changes in temperature or weather conditions. Take good walking shoes and thick socks, particularly if you are going to do any hiking. You can also see the park on horseback.
If you want to learn about Yellowstone, the National Park Service has many talks, films, and tours to help you understand it. A schedule of these can be found at the various information centers. Most of all, just enjoy the beautiful views, the unique geological features and the wide variety of wildlife.
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