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Bryn Celli Ddu: The Mound in the Dark Grove

Explore Bryn Celli Ddu, a 5,000-year-old Neolithic passage tomb on Anglesey, famed for its ancient burial chamber and summer solstice alignment.

Bryn Celli Ddu is a remarkable Neolithic passage tomb on the Welsh island of Anglesey, dating back over 5,000 years. This prehistoric burial chamber features a long stone passage leading to an octagonal burial chamber, once part of a larger henge monument. Visitors can explore the reconstructed mound, see a replica of the intricately carved Pattern Stone, and experience the site’s alignment with the summer solstice sunrise, a testament to ancient astronomical knowledge.

A brief summary to Brynellen

  • GW9V+JJ, Borth, GB
  • Duration: 0.5 to 1 hours
  • Free
  • Environment icon Outdoor
  • Mobile reception: 3 out of 5

Local tips

  • Wear sturdy footwear as the short walk to the mound crosses grassy and sometimes muddy terrain.
  • Visit around the summer solstice to witness the sun illuminating the burial chamber through the passage.
  • Bring a camera for capturing the intricate patterns on the replica Pattern Stone and the scenic countryside.
  • Allow 30 to 45 minutes to fully explore the mound, passage chamber, and surrounding grounds.
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Getting There

  • Car

    Driving from Llanddaniel Fab, the site is approximately 3 to 5 minutes by car. Parking is limited and available near the site. The terrain from the car park to the mound involves a gentle 10-minute walk across grassy fields. No parking fees apply.

  • Bus and Walk

    Take a local bus service to Llanddaniel Fab village, which may take 20 to 40 minutes from larger towns like Llangefni or Bangor. From the village, a 1.6 km (about 20-minute) walk through rural paths leads to Bryn Celli Ddu. The walk is on uneven terrain and may not be suitable for all mobility levels.

  • Taxi

    Taxis from nearby towns such as Llangefni or Aberffraw can reach the site in approximately 10 to 15 minutes. This option is flexible but more costly, typically costing £10-£20 depending on distance and time.

Brynellen location weather suitability

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Ancient Origins and Archaeological Significance

Bryn Celli Ddu, meaning “the mound in the dark grove,” is one of the most significant Neolithic sites in Wales, located near Llanddaniel Fab on Anglesey. The site’s earliest features date back to around 4000 BCE, initially marked by a henge—a circular ritual enclosure with a ditch approximately 21 meters in diameter. This henge included a ring of standing stones and was likely used for ceremonial purposes, as evidenced by cremated human remains found buried at the base of some stones.

Transformation into a Passage Tomb

About a millennium after the henge was constructed, the site underwent a dramatic transformation into a passage tomb. The original stone circle was deliberately dismantled, and a large mound was built over a burial chamber accessible via a narrow, 8.4-meter-long passage. The octagonal chamber at the mound’s heart is notable for containing a mysterious standing pillar and human remains, arrowheads, and carved stones, reflecting complex funerary practices spanning centuries.

The Pattern Stone and Symbolism

A key feature of Bryn Celli Ddu is the Pattern Stone, originally part of the henge and now replaced on-site by a replica to preserve the original in the National Museum of Wales. This coarse gritstone is adorned with intricate serpentine and spiral carvings on both sides, symbolizing ancient artistic and spiritual expression. The stone’s patterns are thought to have held ritual significance and contribute to the site’s enigmatic atmosphere.

Architectural and Astronomical Marvels

The mound’s passage is precisely aligned with the rising sun during the summer solstice, allowing sunlight to illuminate the burial chamber in a spectacular celestial event. This alignment underscores the builders’ sophisticated understanding of astronomy and the spiritual importance of solar cycles. The reconstructed mound, though smaller than the original, offers visitors a tangible connection to prehistoric engineering and ritual life.

Visiting Experience and Surroundings

Visitors approach Bryn Celli Ddu through peaceful Welsh countryside, culminating in a short walk to the mound. Inside, the narrow passage invites exploration of the burial chamber, evoking a profound sense of stepping back into the Neolithic era. The site is often used for solstice ceremonies and archaeological demonstrations, maintaining its role as a place of cultural and spiritual significance.

Legacy and Preservation

Excavated in 1928-29, Bryn Celli Ddu has been carefully preserved and is managed as a Scheduled Monument by Cadw. Its enduring spiritual resonance is reflected in the offerings left by modern visitors, continuing a millennia-old tradition. The site stands as a testament to the rich prehistoric heritage of Anglesey and remains one of the finest examples of Neolithic burial architecture in Britain.

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