About this app
The Lewis and Clark Expedition traveled from Illinois to the Pacific Ocean and back between 1804 and 1806. Over two hundred years later, you can retrace the Expedition's path by following the Lewis and Clark National Historic Trail. A graphical timeline and interactive map is provided. - GPS directions and links to each location - sharing: Facebook, X, SMS, Email, etc. - insert your photos into the app - a photo journal of your travels.
Latest release
What’s New
Updated for iOS 15. Added support for Dark Mode.
Audience growth
Ratings growth
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
- First observed Aug 18, 2026 · 11:24 AM $1.99