Map of the National Trails System
Administered by the National Park Service, the Forest Service and the Bureau of Land Management. The National Trails System was established in 1968 with four classes: national scenic trails, national historic trails, national recreation trails, and side and connecting trails.
Coronado Trail, south of Clifton, Arizona.
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Fort Union Trading Post National Historic Site, in North Dakota, was the most important fur trade post on the upper Missouri River. Lewis and Clark National Historic Trail.
Source: U.S. National Park Service - 2018.
Map of the National Trails System
North Dakota Tourism