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Elidir Fawr

Elidir Fawr from Mynydd Perfedd with Marchlyn Mawr below
Elevation 924 m (3,031 ft)
Prominence c. 212 m
Parent peak Y Garn
Listing Marilyn, Hewitt, Welsh 3000s, Nuttall
Pronunciation [Welsh: [ɛˈlɪdiɾ ˈvawɾ]]
Location Gwynedd,  Wales
Range Snowdonia
Topo map OS Landranger 115
OS grid SH612613
Listed summits of Elidir Fawr
Name Grid ref Height Status
Carnedd y Filiast SH620627 821 m (2,694 ft) Hewitt, Nuttall

Elidir Fawr is a mountain in Snowdonia, north Wales, the northernmost in the Glyderau. To the north of the summit is a small lake, Marchlyn Mawr, which is the upper reservoir for Dinorwig power station, a pump-storage power station hidden inside the mountain itself. The lower reservoir is Llyn Peris. From the north, Elidir Fawr is very prominent, and can appear to be higher than the higher mountains behind it.

From Llanberis, the mountain is dominated by the former Dinorwic slate quarries and the waste they have left behind.

It is a reasonably short, but steep walk up to the summit, and this can be undertaken from the Deiniolen side or from Nant Peris. The Deiniolen walk provides views down to Llanberis, while the Nant Peris approach is short and quite steep.[1]


  1. ^ Nuttall, John & Anne (1999). The Mountains of England & Wales - Volume 1: Wales (2nd edition ed.). Milnthorpe, Cumbria: Cicerone. ISBN 1-85284-304-7.

External links

Elidir Fawr from the slopes of Moel Eilio, with the Dinorwic Quarry prominent on its south-west face.

Coordinates: 53°07′51″N 4°04′34″W / 53.13074°N 4.07603°W / 53.13074; -4.07603



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