The Gallatin National Forest is a United States National Forest located in South-West Montana. Most of the Custer-Gallatin goes along the state's southern border, with some of it a part of North-West Wyoming.
Gallatin National Forest
Sign marking the entry to Gallatin National Forest along Beartooth Highway (U.S. Route 212), July 2002
Daisy Pass near Cooke City, Montana
A photograph taken of the Forest in 1962
Greater Yellowstone Ecosystem
The Greater Yellowstone Ecosystem (GYE) is one of the last remaining large, nearly intact ecosystems in the northern temperate zone of the Earth. It is located within the northern Rocky Mountains, in areas of northwestern Wyoming, southwestern Montana, and eastern Idaho, and is about 22 million acres (89,000 km2). Yellowstone National Park and the Yellowstone Caldera 'hotspot' are within it.
Bison grazing near Gibbon River at Madison in Yellowstone National Park.
Current (top) and projected (bottom) distribution of whitebark pine (Pinus albicaulis) in Yellowstone National Park.