The Llŷn Peninsula (Welsh: Penrhyn Llŷn or Pen Llŷn, Welsh pronunciation: [ɬɨːn]) is a peninsula in Gwynedd, Wales, with an area of about 400 km2 (150 sq mi)...

Llyn Idwal is a small lake (approximately 800 m by 300 m, or 28 acres) that lies within Cwm Idwal in the Glyderau mountains of Snowdonia. It is named after...

Llyn Brianne is a man-made lake or reservoir in the headwaters of the River Towy in Wales. The reservoir was constructed by Wimpey Construction in the...

Llyn Dinas is a lake near Beddgelert, Gwynedd in north Wales. It is formed by the River Glaslyn. Llyn Dinas lies on the valley floor a few miles north...

Llyn Celyn (Welsh pronunciation: [ɬɨ̞n ˈkɛlɨ̞n]) is a reservoir constructed between 1960 and 1965 including the highly controversial Tryweryn flooding...

Llyn Gwynant is a lake in Snowdonia, Wales. Llyn Gwynant lies on the River Glaslyn, in the Nant Gwynant valley, and is about 1¼ miles (2 km) north east...

Llyn Aled is a lake on Mynydd Hiraethog in the Conwy County Borough. It is situated north of the A543 and 7 kilometres (4.3 mi) to the north-east of the...

Llyn Bodgynydd is a lake in the Gwydir Forest in North Wales. It covers an area of some 14 acres (57,000 m2), and lies at a height of 822 feet (251 m)...

Llyn Ogwen (Welsh: [ˈɬɪn ˈɔɡʊɛn]) is a ribbon lake in north-west Wales. It lies alongside the A5 road between two mountain ranges of Snowdonia, the Carneddau...

Llyn Llydaw (Welsh for 'Brittany lake') is a natural lake in Snowdonia National Park on the flanks of Snowdon, Wales' highest mountain. This long thin...

Llyn Trawsfynydd is a large artificial reservoir situated near the village of Trawsfynydd in Gwynedd, North Wales. With a total surface area of 4.8 km2...

Llyn Eigiau is a lake on the edge of the Carneddau range of mountains in Snowdonia, Conwy, Wales. The name Eigiau is thought to refer to the shoals of...

Talyllyn or Tal-y-llyn can refer to: Tal-y-llyn, Gwynedd, the hamlet and former parish in Gwynedd in Wales Tal-y-llyn Lake, a glacial ribbon lake east...

Llyn Mair (Welsh for 'Mary's lake') is a 14-acre (5.7 ha) artificial lake near Maentwrog, in Gwynedd in North Wales (grid reference SH652412). It lies...

Llyn Brenig is a reservoir located on Denbigh Moors in North Wales. The artificial lake, which was constructed between 1973 and 1976, was created by building...

Llyn Padarn is a glacially formed lake in Snowdonia, Gwynedd, north Wales, and is an example of a moraine dammed lake. The lake is approximately 2 miles...

Llyn Goddionduon is a remote lake in the Gwydir Forest in north Wales. It lies at a height of 794 ft (242 m) and covers an area of 10 acres (40,000 m2)...

Llyn Dulyn (Welsh for 'black lake') is a lake on the edge of the Carneddau range of mountains in Snowdonia, North Wales. The lake is 33 acres (130,000 m2)...

Pen-Llyn is a hamlet in the community of Bodedern, Anglesey, Wales, between Bodedern and Llanddeusant, some 4.5 miles from Valley. Llyn Llywenan, the...

Llyn Peris is a lake in Snowdonia, Wales, approximately 1.8 km long and situated close to the villages of Llanberis and Nant Peris, and the smaller twin...

The Llyn Fawr Phase is the name given by archaeologists to the final metalworking phase of the Bronze Age in Britain, dating to between c. 800 BC and c...

Llyn Glangors is a lake in the Gwydir Forest in north Wales. It lies at a height of 900 ft (270 m) and covers an area of 15 acres (61,000 m2). An artificial...

from the Llŷn Peninsula, or had some other family connection with it, is implied by the surname that both he and his brother, the poet Huw Llŷn, chose to...

Llyn Elsi is a lake located above the village of Betws-y-coed in the Snowdonia National Park in North Wales. It is a reservoir providing water for the...

Llyn Alaw (meaning: Lily Lake) is a man-made reservoir on Anglesey, North Wales managed by Dŵr Cymru Welsh Water. It is a shallow lake and was built in...

Llyn Fanod is an upland lake situated between Penuwch and Bontnewydd in Ceredigion, Wales. It is a Site of Special Scientific Interest partly owned by...

Llyn Cowlyd is the deepest lake in northern Wales. It lies in the Snowdonia National Park at the upper end of Cwm Cowlyd on the south-eastern edge of the...

Llyn Cwellyn and then via the River Glaslyn and the Traeth Mawr to Cardigan Bay was often the preferred alternative to the long voyage round the Llŷn...

Llyn Llyffant is the highest lake in Wales, (although in reality the size of a large pond), located at grid reference SH 687 645. Its name translates into...

Ynysoedd Tudwal) are a small archipelago lying south of Abersoch on the Llŷn Peninsula in North Wales, at the western end of Tremadog Bay. They were referred...