At a glance
Eryri's slate village at the foot of Snowdon (Yr Wyddfa) — Snowdon Mountain Railway terminus, Llanberis Lake Railway, Llyn Padarn and Padarn Country Park. The National Slate Museum is closed for redevelopment until ~2027 and the former Electric Mountain visitor centre is permanently closed. Busiest gateway into Eryri. 8 miles from Caernarfon. LL55 4TY.
About Llanberis
Llanberis sits at the foot of Snowdon — the 1,085-metre summit that draws more walkers and visitors than any other mountain in Wales — in the valley between Llyn Peris and Llyn Padarn, with the massive terraced slate quarry of Dinorwig looming above on the flanks of Elidir Fawr. The village was built by and for the quarry: at its peak in the 1890s, Dinorwig employed more than 3,000 men quarrying the blue-grey slate that was shipped across the world from Port Dinorwic below. The quarry closed in 1969, but the village has found a new economy in the millions of walkers and visitors who come annually to climb Snowdon.
The attractions are concentrated and accessible. The National Slate Museum — on the old quarry workshop site, normally free — is one of the best industrial museums in Wales, with working water wheels, original equipment and accounts of the communities that lived and died in the quarry; it is currently closed for a major redevelopment until around 2027, with some of the collection on show at Penrhyn Castle in the meantime. Dinorwig Power Station, a pumped-storage hydroelectric facility built inside the mountain between 1974 and 1984 with underground caverns large enough to contain St Paul's Cathedral, still operates but is no longer open to visitors — the former Electric Mountain visitor centre has permanently closed. The Llanberis Lake Railway runs along the shore of Llyn Padarn, and Padarn Country Park provides lakeside walking and the best viewpoint over the quarry face.
The Snowdon Mountain Railway departs from the village centre on the A4086, the only rack-and-pinion mountain railway in Britain, climbing to within a short walk of the summit. The Llanberis Path — most popular of the six main walking routes up Snowdon — begins at the same end of the village. In summer, both car parks and the village itself fill early; the National Park's Snowdon Sherpa bus service reduces pressure and allows car-free access. Caernarfon is 8 miles west; Bangor 10 miles north.
Find it on the map
Frequently asked questions
Llanberis has more depth than its reputation as simply the starting point for Snowdon might suggest. The Llanberis Lake Railway runs along the shore of Llyn Padarn to Penllyn, a 40-minute return journey through the old quarry landscape. Padarn Country Park provides lakeside walks, a café and open access to the water, and Dolbadarn Castle stands at the southern end of the lake. The National Slate Museum, in the former Dinorwig Quarry workshops, is closed for a major redevelopment until around 2027 (some of its collection is on show at Penrhyn Castle meanwhile); the former Electric Mountain visitor centre, which ran tours of Dinorwig Power Station, is permanently closed. All of the open attractions are within easy walking distance of the village centre.
The Llanberis Path is the longest but most gradual route up Snowdon — 9 miles return from the Llanberis trailhead, gaining 1,050 metres to the 1,085-metre summit. It is the most popular walking route on the mountain and suitable for fit walkers with proper footwear, though it should not be underestimated. The path follows the ridge line northeast of the village, passing Halfway Station (where the Snowdon Mountain Railway can be taken down) before the final ascent to Yr Wyddfa (the summit). Allow 5–7 hours for the return journey. Start early in summer — the car parks fill by 9am and the path becomes congested by mid-morning.
Llanberis is one of the busiest spots in Eryri National Park during summer, particularly at weekends. The Snowdon Mountain Railway car park (the main one on the A4086 entering the village) fills early — often by 8–9am on summer weekends. The village itself has a good range of cafés, outdoor gear shops, and accommodation for walkers. The National Park Authority runs the Snowdon Sherpa bus service linking Llanberis with other Snowdon trailheads (Pen-y-Pass, Rhyd Ddu, Beddgelert) to reduce road pressure. Using the Sherpa from Llanberis allows car-free access to multiple route options.
The great terraced slate quarry above Llanberis on the flanks of Elidir Fawr was one of the largest slate quarries in the world at its peak in the late 19th century, employing more than 3,000 men. The quarry closed in 1969 after nearly two centuries of working. The terraced inclines, workshops, and quarry face are now protected landscape and can be walked (the Quarry Hospital and quarry tracks are accessible). Inside the mountain, the enormous Dinorwig Power Station uses the quarry voids as part of its underground pumped-storage system, though it is no longer open to visitors — the Electric Mountain visitor centre that once ran underground tours has permanently closed.
The main car parks in Llanberis are the Snowdon Mountain Railway car park on the A4086 (large, pay-and-display, fills early) and additional parking by the National Slate Museum and Padarn Country Park. All charge in season. In high summer, arriving before 8am gives the best chance of finding space in the village car parks. The Snowdon Sherpa bus from Bangor and Caernarfon stops in the village — using it avoids the parking problem entirely. Llanberis is 8 miles from Caernarfon (A4086) and 10 miles from Bangor.