Clearwell Caves, located in the Forest of Dean, Gloucestershire, has been a popular filming location for many TV shows, films, and music videos due to its dramatic underground tunnels and eerie atmosphere.
1. Doctor Who 🌀🕰️
- Several episodes of the BBC’s Doctor Who have been filmed at Clearwell Caves.
- Used as alien worlds, underground lairs, and tunnels in episodes like:
- “The Christmas Invasion” (2005)
- “The Satan Pit” (2006)
- “Time of the Angels” (2010)
2. Merlin ⚔️🐉
- Clearwell Caves featured throughout the BBC fantasy series Merlin (2008-2012).
- Used as magical caves, secret tunnels, and hidden underground chambers beneath Camelot.
3. Blake’s 7 🚀
- The classic British sci-fi series Blake’s 7 (1978-1981) filmed parts of the episode “Horizon” in the caves.
- The setting worked well for alien planets and underground bases.
4. Britannia 🏺🔮
- The historical fantasy TV series Britannia (2018-) filmed several scenes in Clearwell Caves.
- The dark, mystical atmosphere was perfect for Druidic rituals and ancient settings.
5. The Changes ⚡🏙️
- The 1975 post-apocalyptic BBC series The Changes filmed underground scenes in the caves.
- The tunnels were used to represent secret hideouts and mysterious locations.
6. The Jensen Code 🕵️♂️
- A 1973 British TV thriller aimed at children, The Jensen Code used Clearwell Caves for its dark and suspenseful underground sequences.
7. Cursed 🏰🔮
- The Netflix fantasy series Cursed (2020), based on Arthurian legends, used Clearwell Caves for several key scenes.
8. Music Videos & Other Filming 🎶
- The caves have been used for music videos and documentaries, adding a mysterious, gothic feel.
Why Is Clearwell Caves So Popular for Filming?
✅ Dark, atmospheric tunnels – Perfect for fantasy, sci-fi, and historical dramas.
✅ Natural, eerie lighting – Adds an authentic underground feel.
✅ Secluded & versatile – Can represent ancient caves, alien worlds, or medieval dungeons.