Porth-yr-Ogof
One of the largest cave entrances in wales where the Afon Mellte is swallowed whole.
OS grid ref SN 928124 (car park & info centre)
The cave can be viewed by a short walk from the car park. A five minute walk beside the former river bed leads to the lower entrance at 'Blue Pool'.
Geology
- Carboniferous: limestone
Maps
- OS Landranger 160, Explorer map OL12
- Geological - BGS 1:50,000 sheet: 231 ‘Merthyr Tydfil’
Guides
- Various publications
Facilities
- cwm Porth Information Centre
- pay & display car parking
- Entry: free
Accessibility
- steep rocky steps down to entrance, can be slippery
Transport links
- By car – by minor roads from Ystradfellte
- By train - nearest stations at Neath and Merthyr Tydfil
- By bus -
- by bike -
Other attractions nearby
