List of caves in the United Kingdom
This is an incomplete list of caves in the United Kingdom, including information on the largest and deepest caves in the UK.
Longest, deepest and largest
The longest cave system in the UK is the Three Counties System in the Yorkshire Dales, with of passageways. It includes the Ease Gill system, the Notts Pot / Ireby Fell Cavern system, the Lost Johns' Cave system, and the Pippikin Pot system, all of which are connected.- The deepest cave in Wales and the UK is Ogof Ffynnon Ddu, deep and containing around of passageways.
- The deepest cave in England is the Three Counties System which is deep between the entrance of Large Pot, and the deepest point reached by diving in Gavel Pot.
- The deepest cave in Scotland is Uamh an Claonaite in Assynt, deep.
- The deepest cave in Northern Ireland is Reyfad Pot in County Fermanagh, deep.
A chamber in Reservoir Hole, Cheddar Gorge called “The Frozen Deep” was discovered in 2012 and found to be high and long.
List of Caves in the United Kingdom and Ireland
This is a list of all caves over 1km length and 60m depth in the United Kingdom after Wilton-Jones.| Cave | Length | Depth | Region |
| Three Counties System | 86.619 | 253 | Northern Dales |
| Ogof Draenen | 70 | 151 | South Wales |
| Ogof Ffynnon Ddu | 60.644 | 309.5 | South Wales |
| Agen Allwedd | 32.8 | 160 | South Wales |
| Ogof Daren Cilau System | 28 | 232 | South Wales |
| Kingsdale Master Cave | 27 | 165 | Northern Dales |
| Clearwell Caves | 24 | 107 | Forest Of Dean |
| Gaping Gill System | 21 | 192 | Northern Dales |
| Peak Cavern - Speedwell Cavern | 17.75 | 248 | Peak District |
| Dan-Yr-Ogof | 16 | 150 | South Wales |
| Slaughter Stream Cave | 14 | 100 | Forest Of Dean |
| Hudgill Burn Mine Caverns | 13.244 | < 60 | Northern Dales |
| Marble Arch - Upper Cradle - Lower Cradle - Prod's Pot - Cascades Rising | 11.5 | < 60 | Co. Fermanagh |
| Mossdale Caverns | 10.5 | 60 | Northern Dales |
| Lancliffe Pot | 9.6 | 116 | Northern Dales |
| Swildon's Hole | 9.41 | 167 | Mendip |
| Carno | 8.9 | 63 | South Wales |
| Little Neath River Cave | 8.8 | 125 | South Wales |
| Ogof Craig A Ffynnon | 8 | 115 | South Wales |
| St. Cuthbert's Swallet | 7.103 | 145 | Mendip |
| The Goyden System | 7.1 | < 60 | Northern Dales |
| Gingling Hole | 6.9 | 177 | Northern Dales |
| Reyfad - Pollnacrom - Polltullybrack | 6.7 | 193 | Co. Fermanagh |
| White Scar Cave | 6.5 | < 60 | Northern Dales |
| Mongo Gill Hole - Stump Cross Caverns | 5.8 | < 60 | Northern Dales |
| Charterhouse Cave | 5.218 | 228 | Mendip |
| Penyghent Pot | 5.2 | 196 | Northern Dales |
| Giants Hole - Oxlow Caverns | 5.12 | 211 | Peak District |
| Shannon Cave - Polltullyard | 5 | 130 | Co. Fermanagh |
| Bagshawe Cavern | 5 | 75 | Peak District |
| Dale Barn Cave | 4.9 | < 60 | Northern Dales |
| Upper Flood Swallet | 4.72 | 136 | Mendip |
| Meregill - Roaring Hole | 4.6 | 181 | Northern Dales |
| Magnetometer Pot | 4.6 | 91 | Northern Dales |
| Knock Fell Caverns | 4.5 | < 60 | Northern Dales |
| Red Moss/Birkwith System | 4.2 | < 60 | Northern Dales |
| Ogof Llyn Parc | 4 | 110 | North Wales |
| Miss Graces Lane Swallet | 4 | 72 | Forest Of Dean |
| Dub Cote Cave | 4 | < 60 | Northern Dales |
| Ogof Llyn Du - Ogof Dydd Braf | 4 | < 60 | North Wales |
| Noon's Hole - Arch Cave | 3.7 | 108 | Co. Fermanagh |
| Dow Cave - Providence Pot | 3.7 | < 60 | Northern Dales |
| Wookey Hole | 3.66 | 182 | Mendip |
| Baker's Pit - Reeds | 3.631 | < 60 | Devon |
| Birks Fell Cave | 3.6 | 142 | Northern Dales |
| Boreham Cave | 3.6 | < 60 | Northern Dales |
| Gough's Cave | 3.405 | 115 | Mendip |
| Otter Hole | 3.352 | < 60 | South Wales |
| Carlswark Cavern | 3.243 | 61 | Peak District |
| Fairy Holes | 3.2 | < 60 | Northern Dales |
| Pollaraftra | 3.13 | 73 | Co. Fermanagh |
| Uamh An Claonaite | 2.868 | 110 | Assynt |
| Ibbeth Peril - Upper Hackergill Caves | 2.803 | < 60 | Northern Dales |
| Eastwater Cavern | 2.8 | 160 | Mendip |
| Knotlow Cavern | 2.6 | 76 | Peak District |
| Lathkill Head Cave - Ricklow Cave | 2.58 | < 60 | Peak District |
| Porth yr Ogof | 2.53 | < 60 | South Wales |
| Boho Caves | 2.5 | < 60 | Co. Fermanagh |
| Excalibur Pot | 2.5 | < 60 | North York |
| Ogof T1 | 2.5 | < 60 | South Wales |
| Alum Pot System | 2.454 | 129 | Northern Dales |
| Aygill Caverns | 2.438 | < 60 | Northern Dales |
| Sleets Gill Cave | 2.4 | 76 | Northern Dales |
| Hurtle Pot - Jingle Pot System | 2.37 | 64 | Northern Dales |
| Stoke Lane Slocker | 2.25 | < 60 | Mendip |
| Robinsons' Pot | 2.2 | < 60 | Northern Dales |
| Reservoir Hole | 2.196 | 131 | Mendip |
| Tunnel Cave | 2.135 | 145 | South Wales |
| Black Keld | 2.115 | < 60 | Northern Dales |
| Ogof Hesp Alyn | 2 | 97 | North Wales |
| Cliff Force Cave | 2 | < 60 | Northern Dales |
| GB Cave | 1.95 | 134 | Mendip |
| Dog Hole - Crystal Cave | 1.95 | < 60 | Northern Dales |
| Smeltmill Beck Cave | 1.9 | < 60 | Northern Dales |
| P8 | 1.8 | 70 | Peak District |
| Blea Gill Cave | 1.8 | < 60 | Northern Dales |
| Devis Hole Mine Caves - South and East Cave Series | 1.791 | < 60 | Northern Dales |
| Joint Hole | 1.77 | < 60 | Northern Dales |
| Ogof Afon Hepste | 1.76 | < 60 | South Wales |
| Llanelly Quarry Pot | 1.705 | 80 | South Wales |
| Ayleburn Mine Cave | 1.7 | < 60 | Northern Dales |
| Devis Hole Mine Caves - Central Maze | 1.7 | < 60 | Northern Dales |
| Malham Cove Risings | 1.7 | < 60 | Northern Dales |
| Great Douk Cave | 1.676 | < 60 | Northern Dales |
| Longwood Swallet | 1.65 | 175 | Mendip |
| Redhouse Lane Swallet | 1.615 | < 60 | Forest Of Dean |
| Ogof Tarddiad Rhymney | 1.608 | < 60 | South Wales |
| Redmire Pot | 1.6 | 117 | Northern Dales |
| Llygad Llwchwr | 1.6 | < 60 | South Wales |
| Spittle Croft Cave | 1.6 | < 60 | Northern Dales |
| Goatchurch Cavern | 1.532 | 63 | Mendip |
| Tooth Cave | 1.525 | < 60 | South Wales |
| Wigmore Swallet | 1.52 | 113 | Mendip |
| Long Kin East - Rift Pot | 1.5 | 113 | Northern Dales |
| Tullyhona Rising Cave | 1.5 | 65 | Co. Fermanagh |
| Allt Nan Uamh Stream Cave | 1.5 | < 60 | Assynt |
| Ogof Cynnes | 1.5 | < 60 | South Wales |
| Pollnagossan | 1.5 | < 60 | Co. Cavan |
| Scoska Cave | 1.5 | < 60 | Northern Dales |
| Borrins Moor Cave | 1.433 | < 60 | Northern Dales |
| Thrupe Lane Swallet | 1.417 | 120 | Mendip |
| Cnoc Nan Uamh | 1.4 | 84 | Assynt |
| Shatter Cave | 1.373 | < 60 | Mendip |
| Eglwys Faen | 1.34 | < 60 | South Wales |
| Blue John Caverns | 1.324 | 90 | Peak District |
| Tyning's Barrow Swallet | 1.296 | 132 | Mendip |
| Eglin's Hole | 1.28 | < 60 | Northern Dales |
| Marble Steps Pot | 1.273 | 131 | Northern Dales |
| Tatham Wife Hole | 1.219 | 155 | Northern Dales |
| Big Sink Cave | 1.2 | 126 | Forest Of Dean |
| Pant Mawr Pot | 1.2 | 97 | South Wales |
| Bown Scar Cave | 1.2 | < 60 | Northern Dales |
| Cherry Tree Hole | 1.2 | < 60 | Northern Dales |
| Hagg Gill Pot | 1.2 | < 60 | Northern Dales |
| White Keld | 1.2 | < 60 | Northern Dales |
| Windegg Mine Caverns | 1.2 | < 60 | Northern Dales |
| Manor Farm Swallet | 1.17 | 179 | Mendip |
| Fairy Cave - Hillier's Cave - Hillwithy Cave | 1.17 | < 60 | Mendip |
| Crescent Pot | 1.146 | 122 | Northern Dales |
| Ogof Rhyd Sych | 1.11 | < 60 | South Wales |
| Langstroth Pot | 1.1 | 90 | Northern Dales |
| Ogof Fawr | 1.1 | 76 | South Wales |
| Grabbers Cave | 1.1 | < 60 | Northern Dales |
| Hugh's Moss Cave | 1.1 | < 60 | Northern Dales |
| Pridhamsleigh Cavern | 1.1 | < 60 | Devon |
| Water Icicle Close Cavern | 1.1 | < 60 | Peak District |
| Yew Cogar Cave | 1.1 | < 60 | Northern Dales |
| Little Hull Pot | 1.097 | 110 | Northern Dales |
| Heron Pot | 1.097 | < 60 | Northern Dales |
| Ogof Pwll Swnd | 1.075 | 76 | South Wales |
| Dry Gill Cave | 1.07 | < 60 | Northern Dales |
| Ogof Fechan | 1.067 | < 60 | South Wales |
| Lower Cales Dale Cave | 1.055 | < 60 | Peak District |
| Pikedaw Calamine Caverns | 1.055 | < 60 | Northern Dales |
| Rowter Hole | 1.044 | 140 | Peak District |
| Hammer Pot | 1.036 | 90 | Northern Dales |
| Creevy Cave | 1.024 | < 60 | Co. Monaghan |
| Ogof Ap Robert | 1.015 | 90 | South Wales |
| Lionel's Hole | 1.006 | < 60 | Mendip |
| Barras End Mine Caverns | 1 | < 60 | Northern Dales |
| Carrickbeg Rising Cave | 1 | < 60 | Co. Fermanagh |
| Kent's Cavern | 1 | < 60 | Devon |
| Nidd Head North West Rising | 1 | < 60 | Northern Dales |
| Ogof-Yr-Ardd | 1 | < 60 | South Wales |
| Skirwith Cave | 1 | < 60 | Northern Dales |
| Tub Hole | 1 | < 60 | Northern Dales |
England
By English caving region.Devon
See also Caves in Devon- Ash Hole Cavern
- Bakers Pit, Buckfastleigh
- Chudleigh Cavern
- Kent's Cavern
- Kitley Show Cave
- Pridhamsleigh Cavern, Ashburton
- Reed's Cave
Mendip Hills
- Aveline's Hole
- Charterhouse Cave
- Cox's cave
- Eastwater Cavern
- GB Cave
- Goatchurch Cavern
- Gough's Cave
- Lamb Leer
- Longwood Swallet
- Manor Farm Swallet
- Pierre's Pot
- Reservoir Hole
- Rhino Rift
- Shatter Cave
- St Cuthbert's Swallet
- Stoke Lane Slocker
- Swildon's Hole
- Thrupe Lane Swallet
- Wookey Hole Caves
Peak District
- Blue John Cavern
- Great Masson Cavern
- Great Rutland Cavern
- Oxlow Cavern
- Peak Cavern
- Poole's Cavern
- Speedwell Cavern
- Thor's Cave, Staffordshire
- Titan
- Treak Cliff Cavern
Yorkshire Dales
Other areas
- Alloa Lea Quarry Cave, Northumberland
- Creswell Crags
- Excalibur Pot, North York Moors
- Kirkdale Cave, North York Moors
- Miss Grace's Lane, Forest of Dean, Gloucestershire
- Mother Ludlam's Cave, Moor Park, Farnham, Surrey
- Dog Hole Cave, Cumbria
- Pate Hole, Cumbria
- Slaughter Stream Cave, Forest of Dean, Gloucestershire
- Heathery Burn Cave, Stanhope, County Durham
- Pen Park Hole, Bristol
- Clearwell Caves, Forest of Dean, Gloucestershire
Northern Ireland
- Badger Pot
- Boho Caves
- Marble Arch Caves
- Noon's Hole
- Portbraddon Cave, County Antrim
- Shannon Cave, County Fermanagh and County Cavan, Republic of Ireland
Scotland
- Calder's Geo, Shetland
- Cleeves Cove Cave, North Ayrshire
- Fingal's Cave, Inner Hebrides
- Smoo Cave, Sutherland
- Uamh An Claonaite, Sutherland
Wales
- Cathole Cave, Gower
- Dan yr Ogof
- Ogof Agen Allwedd
- Ogof Craig a Ffynnon
- Ogof Daren Cilau
- Ogof Draenen
- Ogof Ffynnon Ddu
- Ogof Hen Ffynhonnau, Flintshire
- Ogof Hesp Alyn, Flintshire
- Ogof Llyn Parc, Wrexham
- Ogof Nadolig, Flintshire
- Ogof y Daren Cilau
- Otter Hole, Gwent
- Porth yr Ogof
- Pwll Dwfn