ICaerphilly Castle On a low-lying marshy site surrounded by hills to the N, S and W. Two streams, the Nant Gledyr and Nant yr Aber, cross the area and drain into the R Rhymney which flows towards the E. These streams
ILlancaiach-fawr Close to the W community boundary which follows Nant Caeach, a short distance NE of Nelson and reached by a short track from the main road. Fronts a re-created formal garden, the surrounding walls inc