Garnedd Ugain

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Garnedd Ugain
Garnedd ugain.jpg
Garnedd Ugain (right) and Snowdon (left)
Highest point
Elevation1,065 m (3,494 ft)
Prominence72 m (236 ft)
Parent peakSnowdon
ListingHewitt, Welsh 3000s, Nuttall, Furth
English translationCairn of the Twenty
Language of nameWelsh
PronunciationWelsh: [ˈɡarnɛð ˈɨɡain]
LocationGwynedd, Wales
Parent rangeSnowdonia
OS gridSH610551
Topo mapOS Landranger 115
Listed summits of Garnedd Ugain
Name Grid ref Height Status
Llechog 718 m (2,356 ft) sub Hewitt, Nuttall

Garnedd Ugain, often referred to as "Crib-y-Ddysgl", is a mountain in Wales that forms part of the Snowdon Massif. It is the second highest peak in Wales, and lies just under one kilometre north of the summit of Snowdon itself.

It is part of the Snowdon Horseshoe route,[1] being linked to Crib Goch via the col at Bwlch Coch, and to Snowdon summit via the col at Bwlch Glas. It is also linked to Cwm Glas to the northeast via a steep arete called Clogwyn y Person, which joins the main Crib y Ddysgl ridge about 500m east of the summit.


Both Garnedd Ugain and Crib-y-Ddysgl appear on the Ordnance Survey's maps of the area. The name Crib-y-Ddysgl refers to the east ridge [2] whilst the summit is Garnedd or Carnedd Ugain.

Crib-y-Ddysgl (meaning "ridge of the dish" in Welsh) is the name used by Alan Dawson for the peak's listing as a Hewitt.

Carnedd Ugain in Welsh means "Cairn of the Twenty" (the form Garnedd is the result of soft mutation). This was named after the Roman legion based in Caernarfon.

The web pages of the Welsh Mountaineering Club suggest that the name could also be a corruption of "Carnedd Wgon", and so named after the prince Wgon sung of by Dafydd ap Gwilym or possibly after the 13th-century poet Gwgon Brydydd.[3]


  1. ^
  2. ^ Steve Ashton (1992). Scrambles in Snowdonia. Cicerone Press. ISBN 1-85284-088-9.
  3. ^ See [1]. (NB "Gwgon" becomes "Wgon" under soft mutation.)

Coordinates: 53°04′30″N 4°04′35″W / 53.07499°N 4.07633°W / 53.07499; -4.07633