Llanbrynmair is a town, neighborhood and selecting ward in Montgomeryshire, Powys, on the A470 road between Caersws and also Machynlleth. Llanbrynmair, in location, is the 2nd largest in Powys. In 2011, it had a population of 920. The community consists of several hamlets: Talerddig, Dolfach, Tafolwern, Pandy, Cringoed as well as Pennant. The original centre is at Llan, when traveling to Llanidloes, where the neighborhood parish church of St Mary lies. The present centre (previously called "Wynnstay") at the joint of the A470 as well as B4518 rose to local importance with the building of the new turnpike road in 1821 as well as the arrival of the railway line in between Newtown as well as Machynlleth in 1861. Geographically, the neighborhood includes the valleys of three rivers-- Afon Twymyn, Afon Iaen and also Afon Rhiw Saeson-- and also the surrounding uplands. The three rivers sign up with around the main town and also circulation westwards as the Afon Twymyn in the direction of the Afon Dyfi as well as Cardigan Bay. The Cambrian railway line, constructed in the 1860s, goes through Llanbrynmair as well as temporarily provided an electrical outlet for the mines at Dylife, 8 miles southern. The town station closed in 1965 as part of the "Beeching closures". There was a degree crossing alongside the station but, adhering to the unexpected fatality of an American site visitor in October 1999 and its description as a "blackspot", the going across was closed and the road drawn away. The location is predominantly Welsh-speaking as well as reliant upon livestock farming. It was fortunate to escape the foot and mouth illness episode in Britain in 2001.