Nez Perce National Historical Park has 38 sites in four states (Idaho, Montana, Oregon, Washington). Nine sites are owned and managed directly by the National Park Service. The remaining sites are managed through a public/private partnerships through a variety of public and private entities. There are two visitor centers, one in Spalding, Idaho and the other in Wisdom, Montana.

Nez Perce National Historical Park offers for all Americans an important perspective about our history as a people. It is not the view from the Gateway Arch looking west; it is a view from a homeland looking out, witnessing the march of history and change, yet continuing today and tomorrow to commemorate and celebrate Nez Perce culture and traditions. It is a park about a people, for all people.