This site is a clearinghouse of historic trail research—research that locates and describes historic travel routes such as the Lewis and Clark Trail, Mullan’s Military Road, and the 1877 route of the Nez Perce. If you have something to contribute, let us know—editor@trailresearch.org.

Topics

Google Maps Lewis and Clark Trail Route Center Line Mullan Road Lolo Trail Trail Inventory Nee-Me-Poo National Historic Trail Oregon-California Trails Bird-Truax Trail Other Fur Trade Methodology Carroll Trail

Contributors

Steve F. Russell Kristopher K. Townsend US National Park Service (LCNHT) Robert H. Dunsmore Richard S. Buswell Martin Plamondon II James D. Harlan Ralph Saunders David and Sue Eakin Raymond Borchers