• photo of a replica keelboat with a crew member on the bow at sunset

    Lewis & Clark

    National Historic Trail ID,IL,IA,KS,MO,MT,NE,ND,OR,SD,WA

Places

Portion of William Clark's map, published 1814.

Portion of William Clark's map, published 1814.

Library of Congress

The members of the Corps of Discovery traveled over 3700 miles between May of 1804 and September of 1806. Their journey followed the courses of the Missouri and Columbia rivers. They crossed the Rocky and Bitteroot Mountains. They saw the Pacific Ocean. Although the lands they traveled were largely unknown to Euro-Americans, many American Indian tribes had called these places home for centuries.

These are some of the significant sites of the Expedition:
Fort Clatsop
Spirit Mound
Beaverhead Rock
Camp Dubois

 
Interactive Trail Map with optional layers that can be turned on and off.

Trail Interactive Map

NPS

Interactive Trail Atlas

Personalize your trail exploration by discovering exciting trail themes with this interactive map. Travel to Lewis and Clark campsites, learn about the historic river, and dynamically display different map backgrounds of your choice. Users can:

  • Zoom in and out of areas of interest and decide the geographic extent and scale at which they want to view the trail
  • Turn layers of information on and off in the table of contents
  • Display different backgrounds (e.g. aerial photos, topographic maps, streetmaps) and control the transparency of imagery backgrounds
  • Draw and add text to directly on the web map and export and print these as custom maps
  • Measure distance, area, and add their own GIS and GPS data to the web map
  • Click on links to get more information on the web as well
  • Open and view locations in Google Maps and Google Earth Streetview
 

Did You Know?

An Expedition journal

For 200 years, the Expedition journals have been the source for knowledge and understanding of the Corps of Discovery. There are, however, more than 50 tribes whose oral histories also record the events and people of the Corps.