Treak Cliff Cavern Ltd, Buxton Road, Castleton, Hope Valley, Derbyshire, S33 8WP, United Kingdom
Tel: 01433620571
Email: treakcliff@bluejohnstone.com

Treak Cliff Cavern Bats and Spiders

Treak Cliff Cavern has 3 species of cave bat living amongst the stalactites, stalagmites and Blue John stone.
The Daubenton's Bat (Myotis Daubentonii) is our most common (pictured below) with the  'Natterer's' (Myotis Nattereri) and smaller 'Whiskered' Bat (Myotis Mystacinus) also in residence.


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Many Daubenton's bats hibernate in caves, mines and other underground sites, so it is perhaps not unusual to see them underground in Derbyshire. They generally stick to water where they like to feed on insects, even fishing them from the surface of pools, still water etc.

Natterer's bats have a similar appetite for insects but also like to feast on spiders, occasionally snatching them from their webs!

The bats at Treak Cliff Cavern occasionally come in to roost away from the main public areas where they can rest undisturbed.

If you are lucky you might see one fly past on your tour of the caves!


Hidden in the cracks and dark recesses of Treak Cliff Cavern exit tunnel, are a colony of European Cave spiders, called 'Orbweavers' (Meta Menardi).
These relatively large (for the UK) arachnids spin beautiful egg sacs for their young. They are thought to have a symbiotic relationship with our bats.
 Like many spiders, they are venomous but they pose little or no threat to large mammals (humans) and are slow moving and non-aggressive, although provoked may give you a 'nasty nip'!

They are known as 'gentle giants' of the UK spider population.