Washington 231
| Termini | US-395 south of Chewelah to WA-23 north Sprague |
| Length | 75.0 miles |
| "Where does it go?" | WA-231 starts 6 miles south of Chewelah at junction US-395. From there it heads south via Valley, Springdale, and Ford. From there it reaches the Long Lake Dam on the Spokane River. It then continues south to Reardan, US-2, Edwall, and finally connecting to WA-23 north of I-90 and Sprague. WA-231 is one of the longest "secondary" highways in the state. |

Highways of
Washington State - State Route 231
Washington
State Legislation - Route 231