Sidcot Swallet

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Sidcot Swallet
Map showing the location of Sidcot Swallet
Map showing the location of Sidcot Swallet
Location Burrington Combe, Somerset, England
OS grid ST47545828
Coordinates 51°19′17″N 2°45′15″W / 51.32128°N 2.75405°W / 51.32128; -2.75405Coordinates: 51°19′17″N 2°45′15″W / 51.32128°N 2.75405°W / 51.32128; -2.75405
Depth 28 metres (92 ft)
Length 206 metres (676 ft)
Elevation 149 metres (489 ft)
Geology Limestone
Entrances 1
Difficulty Easy
Hazards None
Access Free
Registry Mendip Cave Registry[1]

Sidcot Swallet is a cave near Burrington Combe, in the Carboniferous Limestone of the Mendip Hills, in Somerset, England.

It was named after the Sidcot School Speleological Society who explored it in 1925.[2]

A swallet, also known as a sinkhole, sink, shakehole, swallow hole or doline, is a natural depression or hole in the surface topography caused by the removal of soil or bedrock, often both, by water flowing beneath.

After Goatchurch Cavern, Sidcot Swallet is probably the most popular cave on Mendip for novice parties. What it lacks in length or depth is adequately compensated for by its sporty squeezes and narrow crawls. Despite its popularity, many calcite formations still remain intact in the farthest reaches of the cave.[3]

See also[edit]


  1. ^ "Sidcot Swallet". Mendip Cave Registry & Archive. Retrieved 2012-03-30. 
  2. ^ Witcombe, Richard (2009). Who was Aveline anyway?: Mendip's Cave Names Explained (2nd ed.). Priddy: Wessex Cave Club. p. 161. ISBN 978-0-9500433-6-4. 
  3. ^ Irwin, David; Knibbs, Anthony (1977). Mendip Underground: A Cavers Guide. Somerset: Mendip Publishing. ISBN 0-9536103-0-6.