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Llechwedd Slate Caverns

Quarry

Terrain:

Activities

Best Time To Visit

Mountain, Caves, Valley

Walking, Photography

Spring to Autumn

Photo: Ron Galliers via Geograph.org.uk

Llechwedd Slate Caverns are the underground part of the old Llechwedd quarry at Blaenau Ffestiniog, the same site reached a little higher up the hill. Visitors ride a cable railway down into the mountain, said to be the steepest of its kind in Britain, dropping more than five hundred feet to tour th...

10

Parking nearby

1

Food Spots nearby

3

Staycations nearby

Parking:

Food:

Staycations:

3 day, 7 overnight

Caffi Gwynant​

Barlwyd Glamping, Llechwedd Glamping, Blaenau-Ffestiniog Haven

Nearest Hidden Gem 1

Nearest Hidden Gem 3

FAQ's/Things to Know

Where is Llechwedd Slate Caverns?
Blaenau Ffestiniog hosts this subterranean attraction deep within the northern reaches of Wales' main national park.

What type of place is Llechwedd Slate Caverns?
Llechwedd Slate Caverns is a former slate quarry in North Wales.

When is the best time to visit Llechwedd Slate Caverns?
Spring through to autumn offers the most comfortable weather for exploring the area, though the caves maintain a cool temperature all year. Clear days during these seasons make the surrounding mountain scenery visible.

What can you do at Llechwedd Slate Caverns?
People can ride a steep cable railway down into the dark chambers to see the massive hand-hewn spaces. Exploring the underground tunnels reveals where miners blasted stone far below the surface.

How long should I spend at Llechwedd Slate Caverns?
Allocating roughly half a day allows enough time to complete the underground tour and explore the surface area. Anyone wishing to see nearby sights will need a full day.

Where do I park at Llechwedd Slate Caverns?
Spaces for ten vehicles exist on site, providing three day and seven overnight spots. Full details are available on the UK Hidden Gems app.

Where can I eat near Llechwedd Slate Caverns?
Caffi Gwynant provides one place to get a meal in the area. Full details are available on the UK Hidden Gems app.

Where can I stay near Llechwedd Slate Caverns?
Barlwyd Glamping, Llechwedd Glamping, and Blaenau-Ffestiniog Haven offer three places to stay nearby. Full details are available on the UK Hidden Gems app.

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Last Updated:

02 July 2026

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