Natural landmarks · South Wales
Ogof Ffynnon Ddu
In or near Ystradgynlais.
Ogof Ffynnon Ddu — cave in the Upper Swansea Valley in South Wales.
Wikimedia Commons contributors — see linked file page for photographer and licence licence
About
Ogof Ffynnon Ddu is a natural landmark in south. (Cave in South Wales.) Wikipedia notes: "Ogof Ffynnon Ddu, also known informally as OFD, is a cave under a hillside in the area surrounding Penwyllt in the Upper Swansea Valley in South Wales. It is the second longest cave in Wales and the deepest in the United Kingdom.". Coordinates 51.8243°, -3.6611°. Sources are credited at the bottom of this page.
- Coordinates
- 51.8243, -3.6611
Sources
- wikidata: Q1470850 (CC0)
- wikipedia: Ogof Ffynnon Ddu (CC BY-SA 4.0)
- commons: Ogof Ffynnon Ddu entrance.jpg (CC BY-SA 4.0)
Nearby
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Ystradgynlais
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