Lewis and Clark Lolo Trail Precision Survey

Summary of Research Results

Contributed by Steve F. Russell

In 2001 and 2002, Steve F. Russell and survey assistants, Theo Petersen and Matt Battani, hiked the trail followed by Lewis and Clark and the Corps of Discovery from Lolo Pass, Idaho-Montana to Weippe, Idaho. This trail tread was recorded with a Trimble Pathfinder Pro XRS precision GPS to an accuracy of 3 meters. This book documents this effort and contains topographic maps of the trail along the entire route.

View Report

Lolo Trail Precision Survey 2026 cover

Data Point Files

GPX | TXT | XLSX

Topics

Google Maps Lewis and Clark Trail Route Center Line Oregon-California Trails Lolo Trail Nee-Me-Poo National Historic Trail Mullan Road Other Trail Inventory Bird-Truax Trail Pacific Ocean Exploration Fur Trade Historic Map Carroll Trail Timeline Methodology Old North Trail The Wilderness Road

Contributors

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