American Auto Trail-Inland Empire Highway (Walla Walla to Wallula WA)

This American auto trail follows the route of the Inland Empire Highway from Walla Walla to Wallula, Washington, on the Columbia River.

For more of our Auto Trails and Slow Travels guides, available in print or eBook format, use one of the links below:

Camera: Sony Active Camera FDR-X3000

Vehicle: Avis Rental 2020 Ford Explorer

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