Llanbrynmair is a town, community and also selecting ward in Montgomeryshire, Powys, on the A470 road between Caersws as well as Machynlleth. Llanbrynmair, in location, is the 2nd biggest in Powys. In 2011, it had a population of 920. The community consists of numerous communities: Talerddig, Dolfach, Tafolwern, Pandy, Cringoed and Pennant. The original centre goes to Llan, on the road to Llanidloes, where the regional parish church of St Mary lies. The present centre (formerly called "Wynnstay") at the joint of the A470 and B4518 rose to regional prestige with the building of the brand-new turnpike road in 1821 and also the arrival of the railway line between Newtown as well as Machynlleth in 1861. Geographically, the community consists of the valleys of three rivers-- Afon Twymyn, Afon Iaen and also Afon Rhiw Saeson-- and the bordering uplands. The three rivers join around the major town and also circulation westwards as the Afon Twymyn towards the Afon Dyfi and Cardigan Bay. The Cambrian railway line, built in the 1860s, runs through Llanbrynmair as well as for a while provided an outlet for the mines at Dylife, 8 miles southern. The village station closed in 1965 as part of the "Beeching closures". There was a degree crossing alongside the station but, adhering to the unintentional death of an American visitor in October 1999 and also its summary as a "blackspot", the going across was closed and also the road diverted. The location is primarily Welsh-speaking and also reliant upon livestock farming. It was fortunate to leave the foot as well as mouth illness break out in Britain in 2001.