Upper Severn, Dulas and Clywedog Carno and Severn Severn, Rhiw, Mule and Camlad Banwy, Twrch and Gam Vyrnwy and Eunant Fawr Lower Vyrnwy, Tanat, Iwrch, Rheadr and Cain Sketch Map - Llanidloes and Welshpool - Vyrnwy and Severn