A479 – Nantyffin to Llyswen Trunk Road


The A479 is a strategic South-North route of regional and local importance; it runs from the A40 near Crickhowell to the A470 at Llyswen. The length of A479 in North and Mid Wales is generally a single carriageway road of varying width and standard.

The entire A479 Trunk Road lies within North and Mid Wales area and is 21 Kms (13 miles) in length and links the settlements of Tretower, Cwmdu, Talgarth, and Llyswen.

A479

Map of the route