The Carneddau are a group of mountains in Snowdonia, Wales. They include the largest contiguous areas of high ground in Wales and England, as well as six or seven of the highest peaks in the country—the Fifteen Peaks. The range also encloses a number of lakes such as Llyn Cowlyd and Llyn Eigiau, and the Aber Falls waterfall. 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. The area covers nearly 200 square kilometres (80 sq mi), about 10% of the area of Snowdonia. The area is bordered by three main roads—the A55, the A5 to the south and the A470 to the east.
Carnedd Llewelyn, also spelled Carnedd Llywelyn, is a mountain massif in the Carneddau range in Snowdonia, north-west Wales. It is the highest point of the Carneddau and the second highest peak by relative height in Wales, 49th in the British Isles and lies on the border between Gwynedd and Conwy.
Foel-fras is a mountain in the Carneddau range, about 10 km east of Bethesda in North Wales. It lies on the border between the counties of Gwynedd and Conwy. With a summit elevation of 944 metres, it is officially the eleventh-highest summit in Wales. Foel-fras is located at the northern end of the main ridge of the Carneddau, between Drum to the north and Foel Grach to the south with the subsidiary summit of Garnedd Uchaf between it and Foel Grach. Due south and 400 m below lies the reservoir of Llyn Dulyn, while the smaller reservoir of Llyn Anafon lies to the north.
Carnedd Gwenllian, previously known as Carnedd Uchaf until 2009, is a minor summit of the Carneddau range in Snowdonia, Wales, and included in the Welsh 3000s. From the summit, distant views to the north can extend as far as Ireland and the Isle of Man, and to the South as far as the Berwyn Ranges.
Afon Eigiau is a small river in the Carneddau mountains in Snowdonia, in north-west Wales, which flows down Cwm Eigiau and into Llyn Eigiau.
Llyn Melynllyn is a lake within the Carneddau range of mountains in Snowdonia, North Wales.
Foel Meirch is a top of Carnedd Dafydd in the Carneddau range in Snowdonia, North Wales. It offers commanding views of Carnedd Llewelyn and Yr Elen, and the Ysgolion Duon Cliffs.
Carnedd y Ddelw is a summit in the Carneddau mountains in north Wales, north-east of Foel-fras. It is the Nuttall top of Drum (Wales). Its eastern slopes are drained by the Afon Tafolog, a tributary of Afon Roe that flows through the village of Rowen before joining the River Conwy. It is also the final top on Carnedd Llewelyn's long northern spur. To the north-west is Tal y Fan, the most northerly 2000 foot tall mountain in the Carneddau and Wales. The summit has two large shelter cairns, hollowed out from a large Bronze Age burial cairn.
Craig Eigiau is a top of Foel Grach in the Carneddau range in Snowdonia, North Wales, Wales.
Bera Mawr is a summit in the Carneddau mountains in north Wales, height 794 metres. It and Bera Bach are together known as the Berau, or northern Carneddau. The summit is a large rock tor, characteristic of the western Carneddau. There are views of Llwytmor and Foel-fras to the north-east, Garnedd Uchaf to the south-east, Bera Bach to the south, Drosgl to the west and the Menai to the north-west.
Foel-goch is a mountain in Snowdonia, north-west Wales, and forms part of the Glyderau range, in Gwynedd. It lies in between Y Garn and Mynydd Perfedd.
Carnedd y Filiast is a mountain in Snowdonia, Wales, forming part of the Glyderau. It, along with its top Y Fronllwyd, forms the most northerly summit in the Glyderau. The average annual temperature on Carnedd y Filiast is estimated to be around 4 Celsius.
Mynydd Perfedd is a mountain in Snowdonia, Wales, forming part of the Glyderau. The summit has a shelter cairn, offering good views of Foel-goch's north-eastern face, and the Carneddau.
Carnedd y Filiast is a mountain near Cerrigydrudion on the border of the Snowdonia National Park, North Wales and is 669 metres (2,195 ft) high.
Arenig Fach is a mountain in southern Snowdonia, north Wales. It is a peak in the Arenig range and lies to the north of its parent peak Arenig Fawr.
Cwm Caseg is a broad glacial valley in Snowdonia leading west from the Carneddau towards Bethesda. It is bordered by Carnedd Llewelyn to the southeast, Yr Elen to the west, and Foel Grach to the northeast. It contains a small lake, Ffynnon Caseg.
Foel Goch is a mountain in north-west Wales, and forms part of the Arenig mountain range. It is the only member of the Arenig group that lies outside of the Snowdonia National Park.
Carnedd Llechwedd-llyfn is a subsidiary summit of Carnedd y Filiast on the border of Snowdonia National Park in Llandderfel, in Gwynedd. The northern slopes of the peak lie in Ysbyty Ifan, in Conwy. It is part of the Arenig mountain range, and rises from the shore of Llyn Celyn.
Waun Garnedd-y-filiast is a top of Carnedd y Filiast on the border of the Snowdonia National park near Cerrigydrudion in North Wales. It is part of the Arenig mountain range. It is also a peak in an area of moorland known as the Migneint.
The Llewelyn Volcanic Group is an Ordovician lithostratigraphic group in Snowdonia, north-west Wales. The name is derived from Carnedd Llewelyn, the highest peak in the Carneddau range where it outcrops.
