Where Is Lewiston, Idaho on the Map?

Lewiston, Idaho is located in Nez Perce County, at the confluence of the Snake and Clearwater Rivers, in the Lewis-Clark Valley (with Clarkston, WA across the Snake).

• Coordinates: 46.4223° N, 117.0198° W
• Elevation: 738 ft (225 m) – lowest city in Idaho (river level).
• Region: North-central Idaho, "Banana Belt" (mildest winters in state).
• Highways: US-12 (east to Missoula), US-95 (north to Coeur d'Alene, south to Boise).
• Port: Lewiston is Idaho's only seaport (via Snake → Columbia → Pacific, 465 river miles).

On a map: follow the Snake River west from Idaho Falls; Lewiston sits where the Clearwater joins from the north, at the WA-ID border.