Copyright © Mark Burkey 2016


Swildon's Hole is the longest and most popular cave on Mendip, offering a wide variety of trips from the easy yet inspiring Upper Series for the novice, to strenuous and challenging undertakings for the seasoned caver.

The core of the system is a fine active streamway about 1500m in length, divided by sumps into twelve sections and leading to the present termination of the explored cave at Sump XII. The stream resurges at Wookey Hole over three kilometres to the south and 174m below the cave entrance. Accessible from the main stream is an extensive high-level network of fossil passages, which provide links within the system. Non-divers can access the cave as far as Sump IV, via Blue Pencil Passage. Swildon's Nine, an excellent trip, can be reached by free-divers and Swildon's Ten to Twelve by cave divers only.

Using a combination of the high-level network and the active streamway, three classic round trips and a through trip are possible:

  1. The Short Round Trip, via the Mud Sump, Paradise Regained, Double Troubles and Sump 1, Under suitable water conditions the Short Round Trip can be reversed giving an equally sporting variation.
  2. The Watergate Connection, from Swildon's Four through to Lower Fault Chamber in Paradise Regained.
  3. The Long Round Trip, from Swildon's Six using the Damp Link to Shatter Series.
  4. WARNING: The Watergate Connection and the Long Round Trip can only be done in one direction, owing to the need to bail sumps.
  5. In 1996 Priddy Green Sink was connected to Swildon's Four via Cowsh Aven Series, creating a testing through-trip.
Mendip Underground 5, P350, © MCRA 2016

Co-ordinates 51.25890, -2.67319
Length 9200m (Vertical range 167m)
Leader Self Guided

Postcode (nearest)

Priddy Village Green

Links MCRA Record
  CSCC Access Guide


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Description Copyright © MCRA 2016. Purchase Mendip Underground Edition 5 at
Photo Copyright © Mark Burkey 2016.

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