The Ice Age Floods National Geologic Trail is a network of marked touring routes extending across parts of Montana, Idaho, Washington, and Oregon, with several special interpretive centers located across the region. 

The National Park Service is bringing together many interested partners to develop an interpretive program at remarkably low cost despite the extraordinary size of the region. The trail represents the largest, most systematic, and most cooperative effort yet proposed to bring the dramatic story of the Ice Age Floods to the public’s attention with potential to bring significant economic and cultural benefits to communities throughout the Northwest. 

The role of the National Park Service is to coordinate and manage the planning of the project and the telling of the story, not to manage any more land than it already is responsible for. The Trail is being developed on existing public lands with no changes in jurisdiction and no threats to private property rights. 

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