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Teton Wilderness is located in Wyoming, United States. Created in 1964, the Teton Wilderness is located within Bridger-Teton National Forest and consists of 585,238 acres (2,370 km²). The wilderness is bordered on the north by Yellowstone National Park and to the west by Grand Teton National Park and the John D. Rockefeller, Jr. Memorial Parkway. The Washakie Wilderness is to the east and the remainder of Bridger-Teton National Forest is to the south. The Teton Wilderness is a part of the 20 million acre (81,000 km²) Greater Yellowstone Ecosystem.
With the Continental Divide running through the wilderness, altitudes tend to be lofty with Younts Peak (12,165 ft./3708 m) being the highest point. At two Ocean Pass, Two Ocean Creek straddles the continental divide, sending waters to both the Atlantic and the Pacific Oceans.
Weather can be a factor in the wilderness with infrequent but severe thunderstorms in the spring and early summer. In 1987, a very rare high altitude tornado destroyed an area of 20 miles (32 km) long and 2 miles (3.2 km) wide. The following year, almost half the forested sections of the wilderness were greatly impacted by the Yellowstone fires of 1988. These fires enhanced the wilderness ecosystem by reducing the amount of dead and down wood, helping lodgepole pine cones to germinate and improving grazing opportunities for such animals as elk and mule deer.