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Longwood Swallet

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OS grid  ST48615571
Entrances  1
Access  Restricted
Length  16,500 m
Discovery  1944
Geology  Limestone
Hazards  Frequent flooding
Elevation  213 m
Depth  175 m
Entrance  1
Longwood Swallet httpsuploadwikimediaorgwikipediacommonsthu
Location  Charterhouse, Somerset, UK

Longwood swallet


The Longwood Swallet is a cave near Charterhouse, in the Carboniferous Limestone of the Mendip Hills, in Somerset, England. The cave is part of the Cheddar Complex SSSI and is connected to August Hole.

Contents

It is 1.65 km in length and reaches a depth of 175m.

The cave was discovered in September 1944 by boys from Sidcot School.

The picture shown is not the Longwood Swallet, it is Longwood Valley Sink. Longwood Swallet's entrance is a lidded concrete block construction. A (non-free) picture of Longwood Swallet entrance is available here

The cave is locked and access is controlled by the Charterhouse Caving Company. There is a warning sign posted at the entrance to the cave about flooding. This has always been a problem, but is more pronounced due to the extraction of water from the spring at Charterhouse. When the pumps owned by Bristol Water stop this can cause a flood wave to travel down the stream and into the cave.

Longwood swallet cave uk mendip caving


References

Longwood Swallet Wikipedia


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