An important court of the medieval Princes of Gwynedd
Situated near Newborough, Llys Rhosyr is the only Court of the Welsh Princes in Wales with visible remains that can be visited by the public. The cultural significance of the site is reflected in its designation by Cadw as a scheduled monument. It now becomes the 131st monument to be directly looked after by Cadw.
The royal llysoedd or palaces of the Princes of Gwynedd are amongst the most important secular settlement complexes in the Welsh Medieval landscape. Although other llys sites are known from documents or have been suggested from partial excavation, Llys Rhosyr is the only undefended Court or Llys of the Welsh Princes that has been confirmed through archaeological excavation.
| 1st April - 31st March | Open all year |
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Open all year — during reasonable daylight hours |
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Car park
Nearest public car park (approx. 450 metres)
Church Street, Newborough.
Dogs welcome
Dogs allowed on short leads.
Walking difficulty
Terrain: Level 2 – Easy
Drone policy
Please read our policy information about flying drones at Cadw monuments: read the guidance
No smoking
Smoking is not permitted.
Health & Safety
Care and attention must be paid when visiting this monument. It will be regularly exposed to the natural elements and may be slippery or muddy underfoot.
Appropriate footwear for the season and type of monument must be considered prior to your visit. Please only attend during the set opening hours, these have been chosen for your safety i.e. appropriate level of lighting.
Many of our monuments are located at areas of height, attention must also be paid therefore to the surrounding areas, ditches and moats when visiting.
Guardrails have been installed to prevent access to any areas of the site that we have deemed as dangerous or to prevent falls in specific areas. Please do not climb over or through any fixed installation.
Any handrail provided should be used to help you safely navigate historic steps, as these may be uneven and may be of different height.
As with all ancient monuments there is always a risk of stones being dislodged in bad weather, however, we manage this through extensive monitoring.
Climbing may result in serious injury.
There are several wild plants and flowers, although these are great pollinators, they may be poisonous to visitors and animals, we strongly advise you not to touch or allow dogs to eat any vegetation.
There may be shared access or neighbouring farmland that may involve the presence of grazing cattle or farm animals.
Please watch our health & safety film before visiting Cadw sites.
Iechyd a Diogelwch / Health and Safety
Please report any anti-social behaviour such as climbing, setting fires, graffiti etc. to CadwAccidentsReports@gov.wales
The following signs can be found around the site at key areas of risk, please pay attention where appropriate.
Slippery or uneven surfaces
Falls from height
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