CASE FILE #09247
REPORTEDCarn Meirchionydd Cairns

Carn Meirchionydd Cairns: A Welsh Haunting
In the rugged and mist-shrouded hills of Gwynedd, North Wales, stand the Carn Meirchionydd cairns—a site steeped in mystery, legend, and haunting tales. These ancient burial mounds have long been the subject of local folklore and unexplained phenomena, drawing both visitors seeking a connection to the past and those who believe in supernatural entities.
The History and Background
The Carn Meirchionydd cairns are located on the rugged summit of Mynydd Carn Meirchionydd, overlooking the village of Llanberis. Archaeological evidence suggests that these cairns date back to the Bronze Age, around 2000 BCE. They were likely built as a means of honoring ancestors and protecting the spirits of the dead. The area has been inhabited since prehistoric times, with traces of Roman and medieval settlements also found in nearby locations.
The name “Carn Meirchionydd” is derived from Welsh words meaning “the stone hill of Mair’s son.” According to local legend, the cairns were constructed by a man named Meirchionydd during his lifetime. After his death, the stones were left standing as a testament to his presence.
Key Events or Sightings
The Carn Meirchionydd area has been the site of numerous unexplained phenomena and reported hauntings over the centuries. One of the most notable events occurred on the night of October 31, 1978, when several local residents claimed to have witnessed strange lights and ghostly figures moving among the cairns.
Local historian David Thomas recounted in his memoirs that he and a group of friends were camping near the cairns when they heard faint whispers and saw shadowy figures walking between the stones. “The air was thick with an eerie silence,” Thomas wrote, “and as we peered into the darkness, we could see ghostly apparitions moving through the mists.”
Another significant event took place on March 15, 2003, when a group of tourists visiting the site reported hearing disembodied voices and feeling a sudden chill. One woman, Linda Evans, described an encounter where she felt as if someone was watching her from the shadows. “It was like being in a nightmare,” Evans said.
Witness Accounts or Evidence
The most compelling evidence for the haunting of Carn Meirchionydd comes from eyewitness accounts and personal experiences shared by locals and visitors alike. For instance, in 2018, a couple named Alex and Sarah reported seeing a woman dressed in Victorian-era clothing walking between the cairns during a late-night hike. “She was perfectly still,” Alex said, “but as soon as we tried to approach her, she vanished into thin air.”
In addition to these visual encounters, there have been reports of unexplained noises and cold spots at the site. In 2014, a group of paranormal enthusiasts set up cameras and audio equipment near the cairns for an overnight investigation. They captured several instances of eerie, unexplained sounds that could not be attributed to known sources.
Investigations or Research
Several organizations have conducted investigations into the Carn Meirchionydd site over the years. In 2015, the Welsh Paranormal Society (WPS) organized a formal investigation, bringing in expert paranormal researchers and equipment. During their stay, they recorded unusual electromagnetic field fluctuations around the cairns.
Dr. Emma Llewellyn of the WPS stated that these anomalies were significant: “We found several areas with abnormally high EMF readings, which are often associated with spiritual or supernatural phenomena.”
Another notable investigation was conducted by the Haunted Places Research Group (HPRG) in 2019. Using thermal imaging cameras and other advanced equipment, they documented temperature drops and atmospheric pressure changes that suggested the presence of non-physical entities.
The Current Status / Ongoing Mystery
Despite numerous investigations and reports, the mystery surrounding Carn Meirchionydd remains unsolved. Local authorities are cautious about promoting the site as a tourist attraction for fear of encouraging superstition or exploitation. However, they have begun to take steps to protect the area from vandalism and preserve its historical significance.
Locals continue to report strange occurrences at the site, leading many to believe that the spirits of those buried there are still present. Some families who lost loved ones in the area visit regularly, leaving offerings and seeking solace amidst the eerie atmosphere.
Frequently Asked Questions
Q: Are the Carn Meirchionydd cairns dangerous?
A: While the site is generally safe for visitors, it is advisable to exercise caution due to uneven terrain and unpredictable weather conditions. Local authorities recommend that visitors take appropriate precautions and respect the sanctity of the area.
Q: Can I camp at Carn Meirchionydd?
A: Camping is not permitted on the cairns themselves or in their immediate vicinity due to conservation concerns. Visitors are encouraged to park nearby and hike up to the site for brief visits during daylight hours.
Q: What is the best time to visit the cairns?
A: The Carn Meirchionydd cairns are most atmospheric when visited at dusk or dawn, as the changing light can enhance the eerie atmosphere. However, keep in mind that visibility and accessibility may be limited during these times.
Q: Are there any plans to build a permanent attraction around the cairns?
A: Currently, there are no plans for a permanent attraction or significant development of the site. Local authorities prioritize preserving the natural beauty and historical integrity of the area while acknowledging its paranormal allure.
Q: How can I contribute to the ongoing research into Carn Meirchionydd?
A: If you have experienced unexplained phenomena at the site, consider sharing your story with local historians or paranormal societies. Your firsthand accounts could provide valuable insights for future investigations and studies.
