Bryn Celli Ddu
Archaeological Site Neolithic passage tomb and ceremonial prehistoric site
On Anglesey, Bryn Celli Ddu is a Neolithic passage tomb with an intact chamber and seasonal light alignments; archaeology enthusiasts walk the site and nearby coastal paths.
Bryn Celli Ddu is a Neolithic passage tomb on the island of Anglesey in Wales, notable for its circular mound and stone-lined passage leading to an internal burial chamber. It is one of the better-preserved prehistoric monuments on the island.
The visible monument today comprises the earthen mound and stone chamber; a surrounding layout and archaeological remains indicate multiple phases of prehistoric activity at the site. The site is managed for public access with a short approach path and interpretive signage.
Archaeological study has shown the monument dates to the Neolithic period and that it was a ritual and burial site used and modified in later prehistory. Excavations and conservation work in the 20th century revealed the internal passage and chamber that are presented today.
Bryn Celli Ddu sits on Anglesey in northwest Wales, in a rural agricultural landscape accessible by road from local villages on the island.
- Visitor facilities: The tomb is a notable example of a Neolithic passage tomb on Anglesey and is presented with an accessible visitor area and information panels.
Tips for Visiting Bryn Celli Ddu #
- Time your visit for early morning or late afternoon outside the main summer‑solstice crowd; the site can be particularly busy on clear summer weekends.
- Use the small on‑site car park and follow the short designated footpath to the cairn rather than wandering across the field-this preserves the monument and keeps your visit efficient.
- Don't rush past the earthworks: take the brief interpretive panels and short loop around the mound-many visitors only see the main chamber and miss the surrounding prehistoric features and alignment information.
Best Time to Visit Bryn Celli Ddu #
Late spring through early autumn offers the best combination of mild weather and accessibility; expect the most visitors in summer.
Weather & Climate near Bryn Celli Ddu #
Bryn Celli Ddu's climate is classified as Oceanic - Oceanic climate with mild summers (peaking in July) and cold winters (coldest in February). Temperatures range from 3°C to 19°C. Moderate rainfall (989 mm/year).
January
January is cold with highs of 8°C and lows of 3°C. Regular rainfall (95 mm), mostly overcast skies, and breezy conditions.
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February
February is the coolest month with highs of 8°C and lows of 3°C. Moderate rainfall (70 mm), mostly overcast skies, and breezy conditions.
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March
March is cold with highs of 10°C and lows of 4°C. Regular rainfall (84 mm) and mostly overcast skies.
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April
April is cold with highs of 12°C and lows of 5°C. Moderate rainfall (59 mm) and mostly overcast skies.
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May
May is cool with highs of 15°C and lows of 8°C. Moderate rainfall (54 mm) and mostly overcast skies.
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June
June is cool with highs of 18°C and lows of 10°C. Moderate rainfall (60 mm) and mostly overcast skies.
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July
July is cool with highs of 19°C and lows of 12°C. Moderate rainfall (65 mm) and mostly overcast skies.
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August
August is cool with highs of 19°C and lows of 12°C. Regular rainfall (80 mm) and mostly overcast skies.
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September
September is cool with highs of 17°C and lows of 10°C. Regular rainfall (89 mm) and mostly overcast skies.
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October
October is cool with highs of 14°C and lows of 8°C. Significant rainfall (107 mm) and mostly overcast skies.
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November
November is cold with highs of 11°C and lows of 6°C. The wettest month with heavy rain (119 mm) and mostly overcast skies.
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December
December is cold with highs of 9°C and lows of 4°C. Significant rainfall (107 mm), mostly overcast skies, and breezy conditions.
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