National Bison Range Complex includes the Lost Trail

Lost Trail National Wildlife Refuge

Lost Trail National Wildlife Refuge is located in the U.S. state of Montana and consists of 7,885 acres . Established in 1999, it is one of the newest National Wildlife Refuges in the U.S. and is managed by the U.S. Fish and Wildlife Service, an agency of the U.S. Department of the Interior...

, Ninepipe

Ninepipe National Wildlife Refuge

Ninepipe National Wildlife Refuge was established in 1921 and is located within the Flathead Indian Reservation 5 miles south of Ronan, Montana, United States...

, Pablo

Pablo National Wildlife Refuge

Pablo National Wildlife Refuge was established in 1921 and is located within the Flathead Indian Reservation 2 miles south of Polson, Montana, United States...

 and the Swan River National Wildlife Refuge

Swan River National Wildlife Refuge

The Swan River National Wildlife Refuge is located in the northwestern section of Montana in the United States. The refuge was primarily set aside to protect prime habitat for various species of birds and particularly waterfowl. The refuge does not have a permanent staff and is managed from the...

s as well as the Northwest Montana Wetland Management District

Northwest Montana Wetland Management District

The Northwest Montana Wetland Management District is located in the U.S. state of Montana and is an integral part of the National Bison Range Complex along with four other wildlife refuges and the National Bison Range. The district comprises numerous small wetland environments set aside primarily...

. All of the refuges and associated lands are managed from the National Bison Range

National Bison Range

The National Bison Range is a National Wildlife Refuge located in western Montana established in 1908 to provide a sanctuary for the American bison. The NBR is one of the oldest National Wildlife Refuges in the United States. The size of the bison herd at the NBR is relatively small, numbering...

 by the US Fish and Wildlife Service

United States Fish and Wildlife Service

The United States Fish and Wildlife Service is a federal government agency within the United States Department of the Interior dedicated to the management of fish, wildlife, and natural habitats...

, an agency under the US Department of the Interior

United States Department of the Interior

The United States Department of the Interior is the United States federal executive department of the U.S. government responsible for the management and conservation of most federal land and natural resources, and the administration of programs relating to Native Americans, Alaska Natives, Native...

. The refuges are located in the northwestern regions of the U.S. state

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 of Montana

Montana

Montana is a state in the Western United States. The western third of Montana contains numerous mountain ranges. Smaller, "island ranges" are found in the central third of the state, for a total of 77 named ranges of the Rocky Mountains. This geographical fact is reflected in the state's name,...

. The Ninepipe, Swan and Pablo National Wildlife Refuges are not permanently staffed, however, the other three areas have both interpretive visitor centers and naturalists. The National Bison Range is located approximately one hour north of Missoula, Montana

Missoula, Montana

Missoula is a city located in western Montana and is the county seat of Missoula County. The 2010 Census put the population of Missoula at 66,788 and the population of Missoula County at 109,299. Missoula is the principal city of the Missoula Metropolitan Area...

 and directional signs from U.S. Highway 93 guide visitors to Moiese, Montana, and the complex headquarters.