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1. Wookey Hole Caves
Wookey Hole Caves are on the southern edge of the Mendip Hills near Wells in Somerset, England.
England
Scotland
Northern Ireland
Wales
2. Marble Arch Caves
he Marble Arch Caves are a series of natural limestone caves located near the village of Florencecourt in County Fermanagh, Northern Ireland.
England
Scotland
Northern Ireland
Wales
3. Fingal's Cave
Fingal's Cave is a sea cave on the uninhabited island of Staffa, in the Inner Hebrides of Scotland
England
Scotland
Northern Ireland
Wales
4. Boho Caves
The Boho Caves are a selection of caves centred on the village of Boho, County Fermanagh, Northern Ireland
England
Scotland
Northern Ireland
Wales
5. Kendrick's Cave
Kendrick's Cave is on the Great Orme, Llandudno, Wales
England
Scotland
Northern Ireland
Wales
6. Blue John Cavern
The Blue John Cavern is one of four show caves in Castleton, Derbyshire, England
England
Scotland
Northern Ireland
Wales
7. Smoo Cave
Smoo Cave is a large combined sea cave and freshwater cave in Durness in Sutherland, Highland, Scotland.
England
Scotland
Northern Ireland
Wales
8. Jack Cade's Cavern
Jack Cade's Cavern[1][2] is a cavern, extending several hundred feet underground, in Blackheath, south-east London, England.
England
Scotland
Northern Ireland
Wales
9. Noon's Hole
Noon's Hole lies about 5 km northwest of the centre of Boho, in the townland of Old Barr in the parish of Devenish, County Fermanagh
England
Scotland
Northern Ireland
Wales
10. Wallace's Cave
Wallace's Cave is situated in Roslin Glen, in Midlothian, Scotland.
England
Scotland
Northern Ireland
Wales
11. Cathole Cave
Cathole Cave is a cave near Parc Cwm long cairn at Parc le Breos, on the Gower Peninsula, Wales
England
Scotland
Northern Ireland
Wales
12. King's Cave
King's Cave is a seafront cave on the Isle of Arran in Scotland,
England
Scotland
Northern Ireland
Wales
13. Chartist Cave
Chartist Cave is a culturally significant cave on Mynydd Llangynidr in southern Powys, Wales
England
Scotland
Northern Ireland
Wales
14. Miss Grace's Lane
Miss Grace's Lane, is a natural cave system near Tidenham in the Forest of Dean, Gloucestershire, England,
England
Scotland
Northern Ireland
Wales
15. Otter Hole
Otter Hole is located near to the Wales–England border just north of Chepstow
England
Scotland
Northern Ireland
Wales
16. Shannon Cave
Shannon Cave is an active stream passage cave which straddles the border of County Fermanagh, Northern Ireland and County Cavan in the Republic of Ireland.