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Barclodiad y Gawres Chambered Tomb

Visitor notice

Health & Safety Alert

Please be aware that due to coastal erosion, the area around the monument needs extra care when using the lower coastal path. The path leading to the monument is currently safe and unaffected. Cadw are closely monitoring the site and if you have any concerns please check our latest advice and research on climate change and Cadw’s historic environment team’s latest publication – Historic Environment and Climate Change in Wales – Sector Adaptation Plan. Please contact us to raise any concerns you may have about the monument: email: cadw@tfw.wales 


Barclodiad y Gawres Chambered Tomb is open as part of our guided tours programme from May to August each year. These tours provide a unique opportunity to explore the site with expert insights into its history and significance. Want to be the first to know about new tour dates and prices?

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An atmospheric tomb with rare examples of prehistoric art

Barclodiad y Gawres (‘The Giantess’s Apronful’ in English) gives a revealing – and surprising – glimpse into the lives of our ancient ancestors. Perched in a spectacular cliffside location, the 90ft/27m earthen mound is a modern reconstruction, but beneath lies a 23ft/7m passageway leading to a cross-shaped chamber that houses the tomb’s most exciting treasures.

Among a series of stones are five etched with intricate patterns of zig-zags and spirals, which hint at the site’s significance for Anglesey’s early inhabitants. While similar carvings have been found at Neolithic (New Stone Age) sites in Ireland, the only other tomb in the UK with examples of such megalithic art is a few miles away at Bryn Celli Ddu.

Opening times & prices

Opening times

1st April - 31st March 10am–4pm

The chambered tomb can be viewed externally throughout the year 10am–4pm

Visitor information

Car park icon

Car park

Porth Trecastell car park

Dogs welcome icon

Dogs welcome

Walking difficulty icon

Walking difficulty

Terrain: Level 3 — Moderate

Drone policy icon

Drone policy

Please read our policy information about flying drones at Cadw monuments: read the guidance

No smoking icon

No smoking

Smoking is not permitted.

Health & Safety icon

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 icon

Slippery or uneven surfaces

High winds icon

High winds

Falls from height icon

Falls from height

Deep water icon

Deep water

Directions

Google Map
Road: Just off A4080, 2m (3.2km) NW of Aberffraw.
Rail: Tŷ Croes 2m (3.2km)
Bike: NCN Route No.8 (7.3km/4.6mls)

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For further information, please contact: Traveline Cymru on 0800 464 0000 or National Rail Enquiries on 03457 48 49 50.