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Llys Rhosyr

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Church St, Niwbwrch, Llanfairpwllgwyngyll, LL61 6SG Visit Site
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Llys Rhosyr

Llys Rhosyr (Rose Court), also known as Cae Llys (Field Court), is the ruin of a pre-Edwardian commotal court considered by the Gwynedd Archaeological Trust to have been a royal home (there’s an exhibition in the Pritchard-Jones Institute in the village detailing this theory). Excavations in the 1990s revealed that the enclosure had a hall, accommodation and storage barns and was originally built in stone and wood.

In 1332, a fierce sandstorm buried the site, and it was not excavated until 1992. It was then opened to the public in 1995, where visitors can stand amid the remains of a home once occupied by Llywelyn the Great, last king of the Kingdom of Gwynned. Many artefacts have been recovered from the site, including pottery and silverware indicating use by people of a high social status, as well as lead fishing weights. It is the only royal court of Gwynedd ever to have been excavated – making it a must see for those with a passion for Welsh history.

Bryn Celli Ddu, Anglesey, one of the finest prehistoric passage tombs in Europe

Where is it?

Llys Rhosyr is located on Church Street just shy of Coedwig Niwbwrch (Newborough Forest) and can be found from either of the two bridges by following the A5, then the A4080 (Ffordd Brynsiencyn) for about 8.5 miles, where you’ll come to Chapel Street which leads to a left turn onto Church Street, with the site then a couple of minutes or so along – although it’s generally better to park the car at Church Street Car Park in nearby Niwbwrch and walk the short distance to the site.

It is worth bearing in mind that Llys Rhosyr is a single site of historic interest, so it’s better to visit as part of a day of other activities – there are several historic sites nearby, for example, such as Bryn Celli Ddu Burial Chamber and Castell Bryn Gwyn.

Bryn Celli Ddu, Anglesey, one of the finest prehistoric passage tombs in Europe

Opening times

Accessible year round
The site is open year round.

Small waterfalls, The Dingle Nature Reserve Llangefni. Long expo


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