Viaduct Sink, Windsor Hill, Shepton Mallet.
Mendip Cave Registry: https://www.mcra.org.uk/registry/sitedetails.php?id=1420
England → Mendip → Viaduct Sink cave
Viaduct Sink, Windsor Hill, Shepton Mallet.
Mendip Cave Registry: https://www.mcra.org.uk/registry/sitedetails.php?id=1420