Gravel Routes in Pontarddulais, Wales

0.5 mi singletrack Bryn Lliw Grassland Singletrack route from Allt-Y-Graban Rd to Bryn Lliw, Grovesend, Swansea, Wales "Track across site of former Brynlliw Colliery. Originally a gravel and cinder path, much of the original surface has eroded."
1.4 mi gravel Banc y Bo Gravel route on Lornas Ln, Pontarddulais, Swansea, Wales "Track bed of former railway to Graig Merthyr Colliery (AKA "Corey"). Surface firm, compacted gravel (with pot holes) at the start, but becoming looser and rougher up the valley."