De Winton

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Makers Plaque from the De Winton Engineering Company at Caernarfon. Seen at National Slate Museum, Llanberis.

Llanberis Path

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Looking back down Snowdon towards Llanberis. The Llanberis Path (seen snaking through the photo) follows the route of the Snowdon Mountain Railway for much of its length and is regarded as the most popular of the various paths up Snowdon.

If you happen to get yourself into difficulties when on Snowdon, then these guys will come to your assistance, I think they deserve our thanks and support:

Pattern Room

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One of the Pattern Rooms at the Gilfach Ddu workshops at Dinorwig Quarry. The wooden patterns were used to create a mould in sand for the Foundry to cast the wheel etc. Hundreds of patterns are stored here, enabling the Foundry to create pretty much anything in cast iron.

Winding House

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A Winding house at the top of an Incline at the former Dinorwig Slate Quarry at Llanberis. The Winding House was used to haul slate wagons up and down the steep Inclines, in order that the slate be transported from the Quarry face to the Mills where they would be cut and shaped ready for sale.

Llyn Padarn

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Looking down across Llyn Padarn from the Dinorwig Quarry. The village visible at lakeside is Llanberis, popular starting point for the ascent of Snowdon and home to the Snowdon Mountain Railway.


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Looking across Llyn Peris to the vast remains of the Dinorwig Slate Quarry. It is a large former slate quarry, now home to the Welsh National Slate Museum, located between the villages of Llanberis and Dinorwig in north Wales. It was the second largest slate quarry in Wales, indeed in the world, after the neighbouring Penrhyn Quarry. It covered more than 700 acres (2.8 km2) consisting of two main quarry sections with 20 galleries in each and a number of ancillary workings. Extensive internal tramway systems connected the quarries using inclines to transport slate between galleries.

At its peak in the late 19th century, “when it was producing an annual outcome of 100,000 tonnes”, Dinorwic employed over 3,000 men and was the second largest opencast slate producer in the country. Although by 1930 its working employment had dropped to 2,000, it kept a steady production until 1969.