Click on a present-day city on the map below for information on what was happening with the Lewis and Clark Expedition when they were in future Montana and Idaho.

For your own trip planning for the area, you'll also find information on today's sites, attractions, and trip planning resources.

Or, click on the menu at left for sites, attractions, and planning resources for this entire region.

IMPORTANT NOTE: The maps on this website are locators designed to help you connect the Expedition story to today's place names. For actual travel, be sure to use official state highway maps for all the details you need for safe and comfortable driving.