B4285 (Cymer - Glyncorrwg)
|Location Map ( geo)|
|Distance:||2.4 miles (3.9 km)|
|Route outline (key)|
The original B4285 ran between Cymer and Glyncorrwg in west Glamorgan.
Starting on the A4063 in Cymer the road headed north out of town along the valley of the Afon Corrwg, entering the village of Glyncorrwg along Cymmer Road. The road now bore left into Bridge Street and ended on an unclassified road just before the Corrwg was crossed.