The Asphalt Path

[Living on your own terms]

Northwest Passage Scenic Byway

The Northwest Passage Scenic Byway follows rivers and mountain corridors through north-central Idaho. It is a route where landscape and history remain closely connected, from expedition stories to the living culture and homeland of the Nez Perce.

Why take this road?

The route rewards travelers who want canyon scenery, historic interpretation, fishing and hiking access, and a stronger sense of how geography shaped travel through the inland Northwest.

RV planning note

Confirm grades, pullouts, fuel gaps, cell coverage, and campground access before entering the more remote sections.

Why Northwest Passage Scenic Byway earns more than a quick pass

The scenery and character

Deep river canyons, rugged mountains, forests, and clear water create a route with a strong sense of remoteness.

The historical lens

Lewis and Clark history intersects with the living homeland and culture of the Nez Perce, making interpretation and respectful travel especially important.

Good reasons to choose it

  • Travelers interested in landscape and expedition history.
  • Outdoor travelers who want river, canyon, and mountain access.
  • Drivers who enjoy a less commercial western route.

How to make it memorable

  • Pair scenic pullouts with museums and tribal cultural resources.
  • Plan fuel and communications before remote sections.
  • Allow more time than the map suggests for canyon roads and viewpoints.

Open this route in Google Maps