A former iron mine, Three Bear's Cave in Forest Fawr Country
Park is used to represent on the foreboding Dewer's Hollow. A large
sunken pit in the forest floor, three deep caves extend into one of
the rock faces, allowing a degree of access for the brave and
prepared.
Three Bear's Cave has appeared in other BBC series, including
Merlin and Torchwood.
Having exited at junction 32 of the M4, follow the signposted
route to Castle Coch through the village of Tongynlais. Car parking
at the castle is free.
Head north from the castle, and when the path branches, head to
the left. Three Bear's Cave is just to the north.
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