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The Welsh 3000s

The Welsh 3000s are the fifteen mountains of Wales which have a height of 3000 feet (914.4m) or more. Geographically they fall within three ranges, all sufficiently close to make it possible to reach all 15 summits within 24 hours, a challenge known as the Welsh 3000s challenge.


The length of this challenge (from first peak to last) is about 26 miles (42 km), but including the walk to and from any start point, this will total some 30 miles (48 km). Most people undertaking the challenge walk it, and many achieve it in much less than 24 hours. The record for the challenge (from first peak to last) stands at 4 hours 19 minutes, by Colin Donnelly in 1988.

The Snowdon Massif

The Snowdon Massif is one of the three mountain groups in Snowdonia, north Wales to include mountains over 3,000 feet (914 m) high. It occupies the area between Beddgelert, Pen-y-Pass and Llanberis. It is surrounded by the Glyderau to the north-east, Moel Siabod to the east, the Moelwynion to the south, Moel Hebog, the Nantlle Ridge and Mynydd Mawr to the west, and by flatter land leading down to Caernarfon and the Menai Strait to the north-west.

Yr Wyddfa (Snowdon)
3559' (1,085m)


OS Ref:SH609544


Summit: 1st October 2000

Crib y Ddysgl (Garnedd Ugain)
3494' (1,065m)


OS Ref:SH610551


Summit: 1st October 2000

Crib Goch
3028' (923m)


OS Ref:SH624551


Summit: 13th May 2002

The 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. The Glyderau stretch from Mynydd Llandegai to Capel Curig, and include five of Wales's fifteen summits over 3000 feet; these include Tryfan, considered one of the finest mountains in Wales and one of the few mountains on the British mainland requiring scrambling to reach the summit.


Dinorwig Power Station, a hydroelectric pump-storage system, is located in a man-made cavern within Elidir Fawr. The slopes of the Glyderau also include the lake Llyn Idwal, and a number of classic climbing areas such as the Idwal Slabs.

Elidir Fawr
3031' (924m)


OS Ref:SH612613


Summit: ******

Y Garn
3106' (947m)


OS Ref:SH630595


Summit: 6th September 2003

Glyder Fawr


OS Ref: SH642579


Summit: 6th September 2003

Glyder Fach
3261' (994m)


OS Ref: SH656583


Summit: 6th September 2003



OS Ref: SH664593


Summit: 15th May 2005

The Carneddau

The Carneddau, are a group of mountains in Snowdonia, Wales. It includes the largest contiguous areas of high ground (over 2,500 or 3,000 feet (910 m) high) in Wales and England, as well as seven of the highest peaks in the country. The range also encloses a number of lakes such as Llyn Cowlyd and Llyn Eigiau, and the Aber Falls waterfalls. It is delimited by the Irish Sea to the north, the Conwy valley to the east, and by the A5 road from Betws-y-Coed to Bethesda to the south and west.


It was in a bog in the northern foothills of Bera Mountain - at a place called Nanhysglain - where Prince Dafydd ap Gruffudd and his family were captured in June 1283. In October Dafydd was executed in Shrewsbury. This ended the 700 year rule of Gwynedd by the family descended from Cunedda Wledig.


In September 2009 the peak referred to as Garnedd Uchaf was renamed Carnedd Gwenllian following a campaign by the Gwenllian Society to honour Princess Gwenllian, the daughter of Llywelyn ap Gruffudd, Prince of Wales.

Pen yr Ole Wen


OS Ref: SH655619


Summit: 14th May 2005

Carnedd Dafydd
3425' (1,044m)


OS Ref: SH662630


Summit: 14th May 2005

Carnedd Llewelyn
3490' (1,064m)


OS Ref: SH683644


Summit: 14th May 2005

Yr Elen
3156' (962m)


OS Ref: SH673651


Summit: 14th May 2005

Foel Grach
3202' (976m)


OS Ref: SH689659


Summit: 14th May 2005

Garnedd Uchaf (Carnedd Gwenllian)
3038' (926 m)


OS Ref: SH687669


Summit: ****** 

3090'(942 m)


OS Ref: SH696681


Summit: ******