Oregon Route 3 is a state highway in the U.S. state of Oregon. It is located entirely within Wallowa County. OR 3 is the lowest numbered highway in the state of Oregon, of any type (state, federal, or Interstate). It is also known as the Enterprise-Lewiston Highway No. 11 (see Oregon highways and routes).
Route description 
OR 3 has its southern terminus at a junction with Oregon Route 82 in the city of Enterprise. It runs north/south, passing near the small community of Flora. It terminates at the Washington border. The route, known as the Enterprise-Lewiston Highway, continues north through Anatone and Asotin, Washington and into Clarkston, Washington as State Route 129. From Clarkston, U.S. Route 12 provides direct access to Lewiston, Idaho.
Notable landmarks 
An earlier routing passed through the community of Paradise, located east of the highway's current location.
Major intersections 
- Note: mileposts do not reflect actual mileage due to realignments.
The entire route is in Wallowa County.