
The Terrifying Tour is part of The Monster Mash, Halloween night at Carnglaze Caverns on 31 October.
"For the adrenaline seekers among you, join us as we venture into the depths of the caverns for a spine-tingling journey through the shadows."
What to expect:
Booking
Book in advance
Arrival
At start time
Parent Must Stay
Yes, required
Explore underground caverns showcasing Cornwall's mining heritage combined with woodland walks through 8 acres of ancient riverside oak forest.
Last updated: 11 Oct 2026
