|Location Map ( geo)|
|Distance:||2 miles (3.2 km)|
|Route outline (key)|
The B4511 is a short road linking the Rhymney and Sirhowy valleys in South Wales. It was originally unclassified but gained its number in the early 1930s.
The road starts on the A4049 in Aberbargoed on one side and climbs out of the valley northeastward. After following a traffic-calmed route through Markham the road comes out above the A4048. The two roads run parallel for a few hundred yards, with the B4511 descending to end on the A-road at Argoed.