Things to See and Do in the Dulas Valley

Stay for a day, stay for a week. From walking and cycling to historical railways, underground adventures, crafts and modern-day slate production there’s a lot to see and do in and around Corris, Aberllefenni, Upper Corris and Pantperthog. Use this website to discover some of the attractions of the area.

Corris and its History

The settlement now known as Corris was at one time known as Abercorris (spelt Abercorys on some early maps), when the old turnpike road from Dolgellau to Machynlleth ran through the village. The modern A487 trunk road was built by the quarry owners in the 1840s and bypasses the village.

The ancient Roman road between northern and southern Roman Wales, Sarn Helen, probably ran through Corris.

On the bluff above the village, known as the Braich Goch, stands a memorial to Alfred Hughes, of Fronwen, near Garneddwen, who established a hospital in South Africa during the Boer War.

There has been slate production in the valley since the 14th century, exporting goods all over the world via the Corris railway and connections via the Dyfi River down to the coast. The Aberllefenni slate mine was, until its closure in 2003, the longest continuously operated slate mine in the world.

On the outskirts of Pantperthog, the Centre for Alternative Technology, founded in the 1970s, has for more than forty years attracted visitors interested in finding a more sustainable way of life.

In 2009 the Dyfi Valley, including Corris, became a UNESCO Biosphere Reserve, international recognition of the importance of its history, ecology and culture, and its inhabitants’ commitment to sustainable development.

Corris (c) Click Corris


Entering King Arthur's Labrynth (c) Click Corris

Entering King Arthur's Labrynth

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