Snowdonia National Park: Rock
Places and attractions in the Rock category
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Pitt's Head
Pitt's Head is a distinctive rock located at grid reference SH576515, close to the A4085 road in Gwynedd, Wales. Its distinction lies in a resemblance to the profile of politician William Pitt the Younger.
Dinas Cromlech
Dinas Cromlech or Dinas y Gromlech is a distinctive rhyolite rock outcrop at the Llanberis Pass, in Snowdonia, northwest Wales, which has a distinctive "open book" shape that is clearly visible from the road, and is very popular for rock climbers.
Nod Glas Formation
The Nod Glas Formation is an Ordovician lithostratigraphic group in Mid Wales. The rock of the formation is made up of pyritous, graptolitic mudstone that is generally black in colour. It weathers to a soft, very well cleaved and coal-like material.
Harlech Dome
The Harlech Dome is a geological dome in southern Snowdonia in north Wales. It extends approximately from Blaenau Ffestiniog in the north to Tywyn in the south, and includes Harlech, The Rhinogydd, Barmouth and Cadair Idris.
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