Has anyone walked in the centre of Wales? I am walking my own route from north coast to south coast in May and looking for accommodation suggestions in these places - Maentwrog, Ganllwyd, Commins Coch, Dylife, Devil's Bridge (Pontarfynach), Pontrhydfendigaid, Rhandirmwyn (Rhandirmwyn Bridge), Llandovery (Llanymddyfri), and Glyntawe. Any helpful suggestions are greatly appreciated.