Elidir Fawr
Encyclopedia
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. The annual temperature of Elidir Fawr is estimated to be around 4.5 °C
, the mountain is dominated by the former Dinorwic slate quarries
and the waste they have left behind.
side or from Nant Peris. The Deiniolen walk provides views down to Llanberis, while the Nant Peris approach is short and quite steep.
Mountain
Image:Himalaya_annotated.jpg|thumb|right|The Himalayan mountain range with Mount Everestrect 58 14 160 49 Chomo Lonzorect 200 28 335 52 Makalurect 378 24 566 45 Mount Everestrect 188 581 920 656 Tibetan Plateaurect 250 406 340 427 Rong River...
in Snowdonia
Snowdonia
Snowdonia is a region in north Wales and a national park of in area. It was the first to be designated of the three National Parks in Wales, in 1951.-Name and extent:...
, north Wales
Wales
Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...
, the northernmost in the Glyderau
Glyderau
The Glyderau are a mountain group in Snowdonia, North Wales. The name derives from the highest peaks in the range, Glyder Fawr and Glyder Fach....
. To the north of the summit is a small lake, Marchlyn Mawr
Marchlyn Mawr
Marchlyn Mawr reservoir is a high level lake in Snowdonia behind Elidir Fawr mountain. It is used as the high level water source for Dinorwig power station, a closed-loop pumped storage hydroelectric generating facility....
, which is the upper reservoir for Dinorwig power station
Dinorwig power station
The Dinorwig Power Station is a pumped-storage hydroelectric scheme, near Dinorwig, Llanberis in Snowdonia national park in Gwynedd, north Wales...
, a pump-storage
Hydroelectricity
Hydroelectricity is the term referring to electricity generated by hydropower; the production of electrical power through the use of the gravitational force of falling or flowing water. It is the most widely used form of renewable energy...
power station
Power station
A power station is an industrial facility for the generation of electric energy....
hidden inside the mountain itself. The lower reservoir is Llyn Peris
Llyn Peris
Llyn Peris is a lake in Snowdonia, Wales, approximately 1.8 km long and situated close to the villages of Llanberis and Nant Peris. The lake was formed glacially and is an example of a moraine-dammed lake. Llyn Peris is named after Saint Peris, an early Christian saint of whom little is known...
. From the north, Elidir Fawr is very prominent, and can appear to be higher than the higher mountains behind it. The annual temperature of Elidir Fawr is estimated to be around 4.5 °C
Slate quarries
From LlanberisLlanberis
Llanberis is a village in Gwynedd, North Wales, lying on the southern banks of Llyn Padarn in Snowdonia. It takes its name from Saint Peris, an early Welsh saint.According to the United Kingdom Census 2001, the population of Llanberis was 1,954...
, the mountain is dominated by the former Dinorwic slate quarries
Dinorwic Quarry
The Dinorwic Slate Quarry 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....
and the waste they have left behind.
Approach
It is a reasonably short, but steep walk up to the summit, and this can be undertaken from the DeiniolenDeiniolen
Deiniolen is a village in Gwynedd, Wales, at the foot of Elidir Fawr. Deiniolen has views over Caernarfon covering the, and, on a clear day, Holyhead Mountain and occasionally the Wicklow Mountains in Ireland, can be seen...
side or from Nant Peris. The Deiniolen walk provides views down to Llanberis, while the Nant Peris approach is short and quite steep.