Within Yellowstone's 2.2 million acres, visitors have unparalleled opportunities to observe wildlife in an intact ecosystem, explore geothermal areas that contain about half the world’s active geysers, and view geologic wonders like the Grand Canyon of the Yellowstone River.

2021年2月2日 · Forests cover roughly 80% of the park. Lodgepole pine, Engelmann spruce, subalpine fir, whitebark pine, and limber pine are found at higher elevations. Though ubiquitous throughout the park, Douglas-fir is particularly abundant in the northern region. Their thick bark enable them to tolerate low-intensity fire.

Yellowstone National Forest was first established by the United States General Land Office on March 30, 1891 as the Yellowstone Park Timber Land Reserve of 1,239,040 acres (5,014.2 km 2). On May 22, 1902 it became the Yellowstone Forest Reserve with lands of 6,580,920 acres (26,632.0 km 2 ).

On March 1, 1872, Yellowstone became the first national park for all to enjoy the unique hydrothermal and geologic features. Within Yellowstone's 2.2 million acres, visitors have unparalleled opportunities to observe wildlife in an intact ecosystem, explore geothermal areas that contain about half the world’s active geysers, and view geologic wonders like the Grand Canyon of the Yellowstone ...

Yellowstone National Park has one of the world's largest petrified forests, trees which were long ago buried by ash and soil and transformed from wood to mineral materials. This ash and other volcanic debris are believed to have come from the park area itself as the central part of Yellowstone is the massive caldera of a supervolcano.

Yellowstone National Park, located in Wyoming, Montana, and Idaho, is a unique and diverse ecosystem that spans multiple biomes. The park's vast territory encompasses a range of elevations, from 5,200 to 13,770 feet (1,585 to 4,200 meters) above sea level, which supports a variety of biomes.

The vast natural forest of Yellowstone National Park covers nearly 9,000 km2; 96% of the park lies in Wyoming, 3% in Montana and 1% in Idaho. Yellowstone contains half of all the world's known geothermal features, with more than 10,000 examples.

2021年3月22日 · See what the climate was like in Yellowstone Country 50 million years ago and view the fascinating petrified trees in Yellowstone's world-class fossil forests.

A portrait of Gifford Pinchot on a national forest. Pinchot was the first Chief of the USDA Forest Service which was founded in 1905. (USDA Forest Service image) Have you ever wondered why your favorite national park is surrounded by a national forest? Well, it didn’t happen by…

The Petrified Forests of Yellowstone National Park in Wyoming and Montana are perhaps the most spectacular and extensive petrified forests in the world and have stimulated scientific investigations for over 100 years.