The attraction is located inside the former Braich Goch mine, which was a commercial slate mine operating from the 19th century.
The initial entry into the mine requires a boat journey through a man-made waterfall.
The narrative experience is heavily based on the Mabinogion, a collection of ancient Welsh folk tales.
The mine's natural slate walls were carved out by hand by Victorian-era miners before being repurposed for tourism.
The attraction maintains a constant underground temperature, independent of weather conditions outside.
King Arthur's Labyrinth is an underground storytelling attraction located within the abandoned Braich Goch slate mine in the Snowdonia National Park. Visitors travel by boat through a waterfall into the mine, where a hooded boatman guides them through caverns illuminated by light and sound effects. The narration recounts Welsh legends and Arthurian myths, specifically focusing on the story of King Arthur's life and reign. The attraction utilizes a combination of ancient slate mine architecture and theatrical displays to create an immersive environment. It is housed within the Corris Craft Centre, a creative hub featuring several independent artisan workshops. The site is situated near the town of Machynlleth in mid-Wales. It remains operational as of July 2026, functioning as an educational experience themed around Dark Age folklore.
The entrance area where the boat emerges from the waterfall into the illuminated cavern sections.
Bring a warm jacket, as the mine tunnels remain cool even during hot summer months.
Wear sturdy, non-slip footwear suitable for walking on damp, uneven cavern floors.
Book your time slot in advance during school holidays to avoid disappointment due to capacity limits.
Do not attempt to touch the cavern walls or venture off the designated path, as the mine environment is dark and contains loose rock.
Operates seasonally from early spring through autumn; closed during the winter months.
Maintain silence during the narrated portions of the tour to ensure all visitors can hear the sound effects.
