The Greater Yellowstone Ecosystem is one of the last remaining large, nearly intact ecosystems in the northern temperate climate zone. It is located within the central Rocky Mountains, in areas of nor
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.
Custer National Forest
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Custer National Forest is located primarily in the south central part of the U.S. state of Montana but also has separate sections in northwestern South Dakota. With a total area of 1,188,130 acres, th
Custer National Forest Overlook
Male mountain goat crossing a rocky moraine in front of Granite Peak.