Hay Bluff Hay Bluff (Penybegwn) is a hill at the northern end of the Black Mountains, it stands on the border between South Wales and England. The summit of Hay Bluff overlooks the Wye Valley and the town of Hay-on-Wye, famous for its book shops Limited Edition: 195 Image size: 33.5 x 27cms (paper size 39 x 32cms approx) Price: £85 Share on Facebook or TwitterShareTweet