No Caving in Snowdonia yet
We haven't found any caving experiences in Snowdoniayet, but we're always adding new adventures.
Try Caving in these regions
Other activities in Snowdonia
Descend into Snowdonia's slate heart, where history and adventure collide.
Snowdonia. It's not just mountains and hiking. Lurking beneath the surface is a labyrinth of forgotten slate mines, ancient copper workings, and natural cave systems, making it a world-class destination for caving in Snowdonia. Forget the over-sanitized tourist caves elsewhere; here, you’re getting a genuine glimpse into Wales' industrial past and raw geological beauty.
Think miles of flooded tunnels, crumbling chambers echoing with the ghosts of miners, and the occasional glimpse of a rare bat. It's a proper adventure, demanding a level of fitness and a willingness to get muddy. Caving in Snowdonia isn’t for the faint of heart or the claustrophobic! But if you're up for a challenge, it's an unforgettable experience.
There are options for all experience levels, from the commercially run adventures at Go Below and Zip World, which are perfect for beginners and families (though pricey), to the more serious, independent exploration of abandoned slate mines like Cwmorthin, requiring proper equipment and experience. I’m talking headlamps, waterproofs, and a good dose of common sense. Always check water levels and inform someone of your plans before heading underground.
One of the best things about caving here is the sheer history steeped within the slate. You're literally walking in the footsteps of generations of Welsh miners, imagining the conditions they endured to carve a living from this unforgiving landscape. It's a humbling and awe-inspiring experience that blends adventure with a poignant sense of place. Just remember to respect the environment, leave no trace, and stick to marked paths where they exist. This is a fragile and historically important environment, so tread carefully.
Best Spots for Caving in Snowdonia
7 spots ranked by our team. Each one researched, visited, and honestly reviewed.
Cwmorthin Slate Mine
A legendary, semi-flooded slate mine offering a challenging but rewarding caving experience. Expect wading through water, navigating collapsed tunnels, and seeing remnants of the mining operation. Proper equipment and experience are essential.
Best for: Experienced cavers with proper equipment and navigation skills.
Park responsibly in Tanygrisiau village and walk up the old incline. Parking is limited and fills up quickly, especially on weekends. Consider arriving early.
Get directions to Tanygrisiau VillageInsider tip: Check water levels beforehand – they can fluctuate rapidly after rain. Talk to locals in Tanygrisiau for recent conditions.
Go Below Underground Adventures
A professionally run caving adventure in Blaenau Ffestiniog. Choose from various routes and activities, including zip lines, rope bridges, and abseiling. Suitable for all skill levels, with expert guides providing equipment and instruction.
Best for: Beginners, families, and those looking for a safe and exciting caving experience.
Designated parking at the Go Below site in Blaenau Ffestiniog. Ample space is available.
Get directions to Go Below HQInsider tip: Book in advance, especially during peak season. They offer different adventures for different age groups and fitness levels.
Llechwedd Slate Caverns
While not technically caving, the Deep Mine Tour at Llechwedd offers a fascinating insight into the history of slate mining. Descend deep underground via a narrow gauge railway and learn about the lives of the Victorian miners. A more sedate experience than true caving, but still worthwhile.
Best for: Families, history buffs, and those with mobility issues.
Ample parking at Llechwedd Slate Caverns.
Get directions to Llechwedd Slate Caverns EntranceInsider tip: Combine the Deep Mine Tour with the Quarry Explorer tour for a full day out.
Sygun Copper Mine
Explore the historic Sygun Copper Mine, venturing into winding tunnels and chambers. Discover the rich history of copper mining in the area and marvel at the geological formations. A guided tour provides valuable insights.
Best for: History enthusiasts, families, and those curious about copper mining.
Designated parking available at Sygun Copper Mine.
Get directions to Sygun Copper Mine EntranceInsider tip: Check the opening times, particularly during off-season, as they can be limited. The gift shop offers unique copper-related souvenirs.
Zip World Caverns
Experience an adrenaline-fueled adventure at Zip World Caverns. Navigate an underground assault course with zip lines, rope bridges, and tunnels carved into the slate. A fun and exciting way to explore the underground world.
Best for: Thrill-seekers, families, and groups looking for an active adventure.
Parking available at the Zip World Caverns site.
Get directions to Zip World Caverns ReceptionInsider tip: Wear comfortable clothing and closed-toe shoes. Book in advance as it's a popular attraction.
Rhys's Chambers (Cwmorthin Extension)
For experienced explorers of Cwmorthin, Rhys's Chambers offers a challenging extension involving navigating more flooded sections and complex passages. Expect colder water and a higher risk of getting lost. This is *not* for the faint of heart.
Best for: Experienced Cwmorthin cavers only, those with strong navigation skills and cold-water experience.
Park responsibly in Tanygrisiau village and walk up the old incline. Parking is limited and fills up quickly, especially on weekends. Consider arriving early.
Get directions to Cwmorthin Mine Entrance (Rhys's Chambers Branch)Insider tip: Take a very, very detailed map and compass. GPS doesn't work well underground and you need to be able to navigate even if your headlamp fails.
Braichgoch Slate Mine (exterior only)
While access *inside* Braichgoch is generally discouraged due to its unstable condition, exploring the exterior remains and admiring the sheer scale of the mine is still worthwhile. Massive slate tips, ruined buildings, and remnants of the incline railway tell the story of a once-thriving industry. Take care near the edges.
Best for: History buffs, photographers, those interested in industrial heritage.
Limited roadside parking near the mine entrance. Park considerately.
Get directions to Braichgoch Mine Entrance (exterior)Insider tip: Combine a visit to Braichgoch with a walk in the nearby forest for a pleasant day out.
Need to Know
Weather
Snowdonia's weather is notoriously unpredictable. Even on a sunny day, conditions underground can be cold and damp. Rain can quickly cause flooding in mines, making them dangerous to enter. Check the forecast and be prepared for all eventualities.
Gear Checklist
+2 more items
Local Gear Shops
Joe Brown's
Capel Curig, Betws-y-Coed LL24 0EE
An iconic outdoor gear shop with a wide selection of caving equipment, clothing, and footwear. Known for its expert advice and knowledgeable staff.
V12 Outdoor
High Street, Llanberis LL55 4ER
Another excellent outdoor gear shop in Llanberis, offering a comprehensive range of caving equipment and clothing. Renowned for its friendly service and competitive prices.
Cotswold Outdoor
Holyhead Rd, Betws-y-Coed LL24 0AY
Part of the national chain but a good option in Betws-y-Coed for outdoor gear and clothing. Offers a range of brands and equipment suitable for caving.
Ellis Brigham Mountain Sports
The Old School, Llanberis, Gwynedd LL55 4ER
A long-standing outdoor retailer stocking a wide range of technical gear, including items useful for caving. Good for specialist advice.
Events & Races
Snowdonia Trail Marathon
July • race • £65
A challenging trail running race through the Snowdonia mountains, taking in stunning scenery and rugged terrain. Some routes run near old mine workings.
More info →Wales Rally GB
October • race • £50
A major rally event that takes place in the forests of Wales, attracting motorsport fans from around the world. Some stages pass through or near old mining areas.
More info →Snowdonia Winter Ultra
February • race • £80
An extreme winter running event across the challenging trails of Snowdonia. Expect difficult conditions and stunning winter landscapes.
More info →