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Trail Research Archive

Trail Research Archive

An archive of historic trail and road research

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 Lolo Trail Oregon-California Trails Nee-Me-Poo National Historic Trail Mullan Road Trail Inventory Other Bird-Truax Trail Fur Trade Carroll Trail Methodology Old North Trail The Wilderness Road

Contributors

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

Each work on this site is the intellectual property of the contributor and as such, protected by copyright laws. We encourage academic use with full attribution to the contributor. If you have something to contribute, let us know: editor@trailresearch.org.

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This website copyright © 2017–2026
by the Lewis & Clark Trail Alliance (LCTA),
a non-profit 501(c)(3) corporation.

Candid Platinum Transparency 2026

Additional Funding Provided by:

D A Davidson Team Kentucky Department of Tourism
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