Grand Teton National Park is a United States National Park in northwestern Wyoming. At approximately 310,000 acres, the park includes the peaks of the 40-mile-long Teton Range as well as most of the northern sections of the valley known as Jackson Hole. It is only 10 miles south of Yellowstone National Park, to which it is connected by the National Park Service-managed John D. Rockefeller, in the early 19th century, the first White explorers encountered the eastern Shoshone natives. Between 1810 and 1840, the region attracted fur trading companies that vied for control of the beaver pelt trade. U. S. Government expeditions to the commenced in the mid-19th century as an offshoot of exploration in Yellowstone. Efforts to preserve the region as a national park commenced in the late 19th century, against public opinion and with repeated Congressional efforts to repeal the measures, much of Jackson Hole was set aside for protection as Jackson Hole National Monument in 1943. The monument was abolished in 1950 and most of the monument land was added to Grand Teton National Park, Grand Teton National Park is named for Grand Teton, the tallest mountain in the Teton Range. The naming of the mountains is attributed to early 19th-century French-speaking trappers—les trois tétons was later anglicized and shortened to Tetons. At 13,775 feet, Grand Teton abruptly rises more than 7,000 feet above Jackson Hole, almost 850 feet higher than Mount Owen, the second-highest summit in the range. The park has numerous lakes, including 15-mile-long Jackson Lake as well as streams of varying length, though in a state of recession, a dozen small glaciers persist at the higher elevations near the highest peaks in the range. Some of the rocks in the park are the oldest found in any U. S. National Park and have been dated at nearly 2.7 billion years. Grand Teton National Park is an almost pristine ecosystem and the species of flora. More than 1,000 species of plants, dozens of species of mammals,300 species of birds, more than a dozen fish species. Grand Teton National Park is a destination for mountaineering, hiking, fishing. There are more than 1,000 drive-in campsites and over 200 miles of hiking trails provide access to backcountry camping areas. Noted for world-renowned trout fishing, the park is one of the few places to catch Snake River fine-spotted cutthroat trout, Grand Teton has several National Park Service-run visitor centers, and privately operated concessions for motels, lodges, gas stations and marinas. Paleo-Indian presence in what is now Grand Teton National Park dates back more than 11,000 years, along the shores of Jackson Lake, fire pits, tools and what are thought to have been fishing weights have been discovered. One of the tools found is of an associated with the Clovis culture
The John Moulton Barn and Teton Range
A Shoshone encampment in Wyoming, photographed by W. H. Jackson, 1870
The enigmatic Colter Stone, with the inscription "John Colter", was found in a field in eastern Idaho in 1931.
"The Three Tetons" as seen from west of the Teton Range by members of the Hayden Geological Survey of 1872. One of the earliest photographs of the Teton Range taken by William Henry Jackson in 1872.