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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

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