Brecon Mountain Railway

This heritage railway runs on the line of the former Brecon & Merthyr Junction Railway beside Pontsticill and Pentwyn reservoirs.

OS grid ref SO 059097 (Pant Station – with car park) to SO 049167 (Torpantau Station)

Views from the train over the reservoirs and abandoned limestone quarries.


  • Carboniferous: Lower Limestone Shale, Abercriban Oolite, Cil-yr-ychen Limestone
  • Old Red Sandstone (Devonian): Brownstones , Plateau Beds & Grey Grits Formations


  • OS Landranger 160, Explorer map OL12
  • Geological — BGS 1:50,000 sheet: 231 ‘Merthyr Tydfil’


  • Various publications available


  • Car parking at SO 059097
  • Entry: charge payable


  • Trains are accessible

Transport links

  • By car — on minor roads from Merthyr Tydfil
  • By train — nearest mainline station is at Merthyr Tydfil 3 miles / 5km to south — see Traveline Cymru
  • By bus — see Traveline Cymru
  • By bike — NCN 8 runs close by

Other attractions nearby