This is an incomplete list of caves in the United Kingdom, including information on the largest and deepest caves in the UK.
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.
A sea cave on the north side of Calder's Geo in Shetland was measured in 2014 at over high and with a floor area of around . This makes it the largest known cave chamber in the United Kingdom.
A chamber in Reservoir Hole, Cheddar Gorge called âÂÂThe Frozen Deepâ was discovered in 2012 and found to be high and long.
This is a list of all caves over 1km length and 60m depth in the United Kingdom after Wilton-Jones.
By English caving region.
See also Caves in Devon
The following are all within Somerset unless otherwise stated. See also Caves of the Mendip Hills.
The following are all within Derbyshire unless otherwise stated. See also List of caves in the Peak District and List of caves in Derbyshire.
The following are all within County Fermanagh unless otherwise stated. See also Caves of the Tullybrack and Belmore hills.
All in Brecon Beacons unless stated.