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Snowdon

Snowdon (/ˈsndən/), or Yr Wyddfa (pronounced [ər ˈʊɨ̞̯ðva] ), is a mountain in the Snowdonia region of North Wales. It has an elevation of 1,085 metres (3,560 ft) above sea level, which makes it both the highest mountain in Wales and the highest in the British Isles south of the Scottish Highlands. Snowdon is designated a national nature reserve for its rare flora and fauna, and is located within Snowdonia National Park.

Not to be confused with Snowdonia.

The rocks that form Snowdon were produced by volcanoes in the Ordovician period, and the massif has been extensively sculpted by glaciation, forming the pyramidal peak of Snowdon and the arêtes of Crib Goch and Y Lliwedd. It is part of the larger Snowdon range, which includes Garnedd Ugain, Yr Aran, and Moel Eilio.[3] There are several lakes on the mountain, the largest of which is Llyn Lydaw (110 acres (45 ha)), located on the eastern flank at 1,430 ft (440 m).


The mountain is the busiest in the United Kingdom and the third most visited attraction in Wales. In 2019 it was climbed by 590,984 walkers; there are six main paths to the summit, the most popular of which begins in the town of Llanberis, to the north of Snowdon.[4] The summit can also be reached using the Snowdon Mountain Railway, which carried 140,000 passengers in 2019.[5][6] The rack railway, which opened in 1896, operates over 4+34 miles (7.6 kilometres), from Llanberis to the Summit station. It generally operates from March to the end of October, with trains running to the summit station from May. The cliff faces on Snowdon, including Clogwyn Du'r Arddu, are significant for rock climbing, and the mountain was used by Edmund Hillary in training for the 1953 ascent of Mount Everest. The mountain, alongside Ben Nevis in Scotland and Scafell Pike in England, is climbed as part of the National Three Peaks Challenge.[7]

– 1,430 ft (440 m) high, 110 acres (45 ha) – lies in Cwm Dyli, Snowdon's eastern cwm, and is one of Snowdonia's deepest lakes, at up to 190 ft (58 m) deep. Various explanations of its name have been put forward, including lludw ("ash"), from ashen deposits along the shore, to Llydaw ("Brittany").[40] It contains evidence of a crannog settlement, and was the location of a 10-by-2-foot (3 m × 0.6 m) dugout canoe described in the Cambrian Journal in 1862.[40] The lake is significantly coloured by washings from the copper mines nearby, and is used by the Cwm Dyli hydroelectric power station, which opened in 1906.[40] The lake is crossed by a causeway, built in 1853 and raised in the 20th century to prevent the causeway from flooding frequently.[41]

Llyn Llydaw

– 1,970 feet (600 m) high, 18 acres (7.3 ha) – lies higher up Cwm Dyli than Llyn Llydaw.[42] It was originally called Llyn y Ffynnon Glas, and has a depth of 127 feet (39 m).[42] For a long time, it was believed to be bottomless, and is also the location for various myths.[42]

Glaslyn

– 1,430 feet (440 m) high, 10 acres (4.0 ha) – lies in Cwm Treweunydd, Snowdon's north-western cwm, and is passed by the Snowdon Ranger path.[43] It was enlarged by damming for use as a reservoir for use by slate quarries, but the level has since been lowered, and the lake's volume reduced to 24,000 cubic metres (850,000 cu ft).[43]

Llyn Ffynnon-y-gwas

Hafod Eryri

via Snowdon Mountain Railway, Llanberis, Caernarfon, Gwynedd, LL55 4TY

1,065 m (3,494 ft)

12 June 2009

£8.4m

RIBA Welsh Architecture Award 2010

In popular culture[edit]

In 1968, scenes representing the Khyber Pass were filmed for Carry On... Up the Khyber on the lower part of the Watkin Path.[84] In 2005, Angela Douglas, one of the stars of the film, unveiled a plaque at the precise location where filming took place to commemorate the location filming. It now forms part of the North Wales Film and Television Trail run by the Wales Screen Commission.[85]

Snowdon and Dinas Emrys from above BeddgelertWilliam TurnerTate Britain

Snowdon and Dinas Emrys from above Beddgelert – William Turner – Tate Britain

Injuries and deaths[edit]

In January and February 2009 on Snowdon there were 4 people who died and 3 of these four deaths were related to people falling.[86] In 2021 there were 4 people who died on Snowdon.[87]


In 2021 two people were injured and taken to hospital after being struck by lightning on top of Snowdon.[88]

. Encyclopædia Britannica. Vol. 25 (11th ed.). 1911.

"Snowdon" 

The main ascent routes on Google Streetview (as mapped by Trekker)

Computer-generated virtual panoramas from Snowdon: north; south

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Free printable contour map of Snowdon and the routes up

download map

SnowdonInfo, a comprehensive information site