King County Road Services - Historic and Scenic Corridors Project

Green Valley Road Heritage Corridor

Location: Southeast King County
Length: 11.0 miles
Begins: State Route 18 and Southeast Auburn-Black Diamond Road
Ends: State Route 169

Green Valley Road Heritage Corridor is a classic farm-to-market road, and the longest single road in the Heritage Corridor system. It showcases traditional yet evolving agricultural land-uses, with many picturesque historic barns dotting the landscape. Along the route are occasional visitor-friendly seasonal farms and produce stands.

• Print out our Green Valley Road mile-by-mile tour (1MB pdf) to take along on your trip.
• Corridor history (283KB .pdf)
• For driving directions, go to Google Maps 

• Neely Mansion
• Flaming Geyser State Park
• Puget Sound Fresh
• White River Valley Museum

Information from the Road Services Division's Web site is available to people with disabilities in alternate formats upon request by calling 206-263-6482 or 711 for the TTY relay service.

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