The Top 20 Caves In South Wales
Looking to visit a cave In South Wales on your next adventure? To help you better plan your next outdoor experience, we’ve collected South Wales’s 20
best caves for you. Based on the experiences of other users, each is a recommendation you know you can trust — so you can better plan your next adventure.
best caves for you. Based on the experiences of other users, each is a recommendation you know you can trust — so you can better plan your next adventure.
Last updated: October 21, 2025
Pembroke Castle
Highlight • Castle
Pembroke Castle is a medieval castle that was founded in 1093. The Grade I-listed castle is now a great place to explore.
You can climb the Great Keep, descend into …
You can climb the Great Keep, descend into …
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St Govan's Chapel
Highlight • Historical Site
This small hermit’s chapel can be found at the bottom of a long and steep set of steps, nestled into the cliffs. The effort is worth it, though, as this …
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Porth Yr Ogof Cave
Highlight • Cave
Porth Yr Ogof (gateway to the cave, in Welsh) boasts the largest entrance of any cave in Wales at over 55 feet (17 m) wide and almost 16 feet (5 …
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Chartist Cave
Highlight • Historical Site
Chartist cave - discover where they stored their weaponry and where the walk to Newport effectively began!
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Broad Haven South Beach
Highlight • Beach
With a wide and sandy beach, clean sea water, caves to explore, and springs gushing out of the cliffs, this dune-backed beach really is a slice of paradise off the …
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Culver Hole
Highlight • Cave
This unique harry potter type of witch house is an amazing must see. Nestled in a cleft in the rock it is simply a tall stone wall with no doors …
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Twm Siôn Cati's Cave
Highlight • Historical Site
Often referred to as the Robin Hood of Wales, Twm Siôn Cati is said to have used this cave as his hiding place to avoid being captured.
Check out more …
Check out more …
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Flimston Bay
Highlight • Beach
This little slice of hidden beach paradise - also known as Flimston Bay, is not so easy to access. The good news is that your effort is likely rewarded by …
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RSPB Gwenffrwd-Dinas Nature Reserve
Highlight • Forest
This charming RSPB site is not far from Llyn Brianne and is home to Twm Sion Cati's cave. You'll find a great circular footpath running nearby the river, boasting beautiful …
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St Catherine's Island and Fort
Highlight • Beach
St Catherine's Island is a small limestone outcrop with lots of tidal caves. On top of the island is a fort that was built during the Napoleonic Wars. You can …
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