Carnglaze Caverns - Atlas Obscura

Carnglaze Caverns

St Neot, England

A haunted slate mine turned concert hall and a hidden fairy garden. 


Among a stand of ancient oak trees situated on the southern edge of Bodmin Moor is the only slate mine in Carnglaze, Cornwall. For over 500 years, miners dug out layers of blueish slate to be transported all over Cornwall. The word carnglaze means “green rock pile” in Cornish.

The first chamber of Carnglaze was once used as a storage space for the Plymouth Navy Base’s rum supply during World War II. Local folklore states that you could smell the rum about a mile away.

Now open to the public as an event space, the mine serves as a venue for concerts, ceremonies, and tours. Exploring the subterranean levels, visitors can venture into three huge grottoes that are 60 meters below ground where they will discover enchanting underground lakes of clear blue-green waters in striking contrast to the jagged dark surroundings of the cave.

A paranormal investigator has suggested the caves are haunted by ghosts of some of the miners. One account recalls seeing a figure in white mist. Allegedly, the voice of a little girl can be heard, as well as another sinister disembodied voice telling people to “Get Out!”

Just a short distance from the caves is a more whimsical site: An overgrown, hidden garden path along the hillside. A plethora of fairy, dragon, angel, and mermaid statues dot the trail. Together, the site is an enchanting hidden gem for ghost hunters and nature lovers alike.

Know Before You Go

The grounds are open for tours Wednesday through Sunday from 10 a.m. to 5 p.m. and closed Mondays and Tuesdays. Admission is £10.00 for adults and £6.00 for kids. A concert and event schedule can be found on their website.

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March 19, 2024

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