Llandeilo Llwydarth is an ancient area in the foot of the Preseli Hills

Preseli Hills

The Preseli Hills or Preseli Mountains are a range of hills in north Pembrokeshire, West Wales...

 that borders Llangolman

Llangolman

Llangolman is a village and parish on the southern flank of the Preseli Hills in Pembrokeshire, Wales. It is part of the community of Mynachlog-ddu.- History :...

, Maenclochog

Maenclochog

Maenclochog is a small village in Pembrokeshire, south-west Wales. It lies at the south of the Preseli Hills, about one mile southeast of the village of Rosebush.Researchers believe to have found the remains of a 13th Century castle at Maenclochog...

, Llanycefn and Llandeilo

Llandeilo

Llandeilo is a town in Carmarthenshire, Wales, situated at the crossing of the River Towy by the A483 on a 19th century stone bridge. Its population is 1,731.The town is served by Llandeilo railway station on the Heart of Wales Line.- Early history :...

, Wales

Wales

Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...

. It is also the site of an ancient legendary church, linked to Saint Teilo

Saint Teilo

Saint Teilo, was a British Christian saint - a monk, bishop and founder of monasteries and churches. He was from Penalun , near Tenby, in Pembrokeshire, in south Wales...

 and his skull, which was thought to have healing powers when water from the nearby well was drunk in it.

The church today lies in ruin, and the skull is kept in the south chapel of Llandaff Cathedral

Llandaff Cathedral

Llandaff Cathedral is the seat of the Bishop of Llandaff, head of the Church in Wales Diocese of Llandaff. It is situated in the district of Llandaff in the city of Cardiff, the capital of Wales. The current building was constructed in the 12th century over the site of an earlier church...

 in Cardiff

Cardiff

Cardiff is the capital, largest city and most populous county of Wales and the 10th largest city in the United Kingdom. The city is Wales' chief commercial centre, the base for most national cultural and sporting institutions, the Welsh national media, and the seat of the National Assembly for...

.

There remain several wells in the area, with some being high in minerals.