Northwest Passage Scenic Byway

In 1803, President Jefferson commissioned Meriwether Lewis and William Clark to find the Northwest Passage, the link between the Missouri River and the Columbia River through the unexplored Rocky Mountains. This 202-mile byway, stretching across north-central Idaho, follows the explorers' route through the ancestral homeland of the Nez Perce people.

From the west, this beautiful route begins on US 12 at Lewiston, and traverses the winding Clearwater River Canyon, passingthrough the Nez Perce National Historic Park areas of Spalding and Kamiah and the towns of Orofino and Kookia. At Kamiah is the Heart of the Monster, a geologic formation and legendary Nez Perce site.

At Kooskia the byway splits. One segment turns south on Idaho Highway 13 toward the Camas Prairie and the town of Grangeville. Another segment continues east on US 12 along the Middle Fork of the Clearwater River, and the Lochsa Wild and Scenic River, through a magnificent wilderness culminating at the Lolo Pass Visitor center.

LOCATION:
Begins in Lewiston and follows US 12 northeast to the Idaho-Montana border; also follows Idaho 13 from Kooskia to Grangeville and the junction of US 95.

LENGTH:
202 miles. Lewiston to Montana, 175 miles, allow 4 hours. Kooskia to Grangeville, 27 miles, allow 40 minutes.

ROADWAY:
Idaho 13 and US 12 are winding, two-lane, paved roads with occasional passing lanes and slow vehicle turnouts. Winter driving conditions may include black ice in the canyons and snow covered roads at higher elevations.

WHEN TO SEE IT:
Boating, fishing, heritage sites, and wildlife viewing year-round. Whitewater opportunities in spring and summer.

For more information: http://www.idahobyways.gov

Ride Characteristics

Curvy Roads
Curvy Roads:
Average
Gas Stations
Gas Stations:
Some
Restrooms
Restrooms:
Some
Food
Food:
Some
Scenic Areas
Scenic Areas:
Frequent
Elevation Change
Elevation Change:
Average
Off Road
Off Road:
Slight
Traffic
Traffic:
Average
Animal Crossings
Animal Crossings:
Some
Hotels
Hotels:
Some
   

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Total Distance: 222.1 mi
Average Rating: n/a
Some Cities Covered:
Lewiston, Orofino, Grangeville, KOOSKIA
Some States Covered:
ID
State Motorcycle Laws
ID
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