The Hanford Site and the communities of Richland, West Richland, Pasco and Kennewick are all part of the Tri-Cities region in southeastern Washington. Our park visitor center is in Richland at 2000 Logston Blvd., Richland, WA 99354. The Tri-Cities region is three hours east of Seattle, two hours west of Spokane, and three and a half hours east of Portland.
Directions to our visitor center by car
For visitors driving from Portland and the Columbia River Gorge, I-84 and US 97 are the easiest ways to reach the Tri-Cities.
For visitors driving from Seattle and the Puget Sound region, I-90 and WA-24 are the quickest routes to reach the Tri-Cities.
For visitors driving from Spokane, WA I-90 and WA-24 are the easiest ways to reach the Tri-Cities.
The Portland International Airport is 225 miles (362 km) from the Manhattan Project NHP visitor center.
Last updated: January 15, 2023