Underground Tours

Guided tours from the team at Carnglaze Cavern.

This event has been postponed.

Carnglaze is set amongst 6.5 acres of ancient oak woodland in the steep-sided Loveny Valley on the southern edge of Bodmin Moor in Cornwall. Initially there was an open cast quarry but some 300 years ago the miners started to go underground too resulting in the formation of three hand created caverns of cathedral proportions. During your tour you will go about 150m into the hillside and 60m below ground. Between the first chamber, which is on the level and is fully accessible, there is a flight of 60 steps down to the other two chambers. In the lower chambers you will find the underground lake with its crystal clear blue/green water.

As part of the tour, in the first chamber, you will be able to browse a comprehensive collection of minerals mined and quarried in the South West.

Carnglaze is home to five recorded species of bats, some of whom sleep and hibernate in the unlit areas, so we ask you to switch off any flash settings on cameras and phones, so they are not disturbed.

The Caverns are at a constant 10°C underground, so a jumper and sensible footwear are recommended.