Camlad, Upper Severn
The River Camlad sub-catchment lies within the Upper Severn. The Camlad forms part of the border between Wales and England in places before joining the Severn and is the only river to cross from England into Wales. The Upper Severn is mainly rural in character – Oswestry, Llanidloes, Welshpool and Newtown are the main towns. The catchment includes the Clywedog and Vyrnwy reservoirs in the west and the rivers Severn and Vyrnwy as well as a collection of many small tributaries, which provide an important spawning group for brown trout and Atlantic salmon In fact, these tributaries make up the majority of spawning rivers in the whole Severn Catchment.