The Flathead National Forest is a national forest in the western part of the U.S. state of Montana. The forest covers 2,351,761 acres (9,517 km sq) of which about 1 million acres (4,000 km sq) is designated wilderness. It is named after the Flathead Indians who lived in the area. The forest is located in the Rocky Mountains with elevations ranging from less than 4,500 feet (1,400 m) to over 8,500 feet (1400 to 2600 m). The Forest provides habitat for approximately 250 species of wildlife and 22 species of fish. This includes the threatened grizzly bear, lynx, bald eagle, bull trout, a rare plant named water howellia, and the endangered gray wolf.