Location:
This production was filmed in the following locations in North Wales:
- Dinorwig Quarry
- Dolbadarn Castle
- Around the Snowdon Miners’ Track near Pen y Pass
- Llanfair Slate Cavern near Harlech
- Llyn Parc in the Gwydir forest near Betws y Coed
- Gwydir castle near Llanrwst
- On the banks of Llyn Dinas near Beddgelert