Recent archaeological investigations near Jersey, an island in the English Channel situated just off the coast of France, have unveiled the existence of a possible Celtic settlement near the famed Le Câtillon II hoard, shedding light on a long-standing mystery surrounding the massive cache of treasures unearthed in 2012.
This hoard, which includes approximately 70,000 silver coins, gold torques, and various jewelry pieces, has puzzled experts for over a decade, particularly regarding its burial in a seemingly isolated area far from known trade routes and settlements.
The initial discovery of the hoard in Jersey’s Grouville district raised questions about its origins and purpose. Experts speculated that the treasure, believed to have been transported from Armorica—modern-day Brittany and Normandy—was hidden to protect it from Julius Caesar‘s advancing Roman forces during the Gallic Wars. However, new geophysical surveys conducted around the site have revealed linear anomalies that suggest the presence of a previously unknown Celtic settlement, challenging the notion of Jersey as a remote backwater.
Dr. Hervé Duval-Gatignol, an archaeologist with the Société Jersiaise, noted that the discovered patterns resemble those of late Iron Age rural settlements found in northern France. These findings indicate that Jersey may have hosted an established Celtic community during the mid-first century BCE, contrary to previous assumptions of its desolation. The survey also detected small magnetic anomalies, hinting at the existence of pits and postholes, which further support the idea of human habitation.

Dr. Sean Kingsley, editor-in-chief of Wreckwatch, emphasized the Celts‘ maritime prowess, suggesting that the hoard may have been transported using advanced seaborne vessels capable of navigating Jersey’s treacherous coastal waters. He pointed out that local sailing families were adept at maneuvering through the region’s rocky terrain, making it plausible that the Coriosolitae tribe, to whom the hoard is attributed, utilized these skills to safeguard their wealth.
The recent analysis has also led to a reevaluation of Jersey’s strategic significance during the Gallic Wars. Dr. Phil de Jersey, a Celtic coinage expert, posited that Jersey might have been viewed as a relatively safe refuge amid the chaos of Roman expansion. This perspective aligns with historical records indicating that the Coriosolitae were part of a coalition resisting Roman domination, suggesting that the hoard’s relocation to Jersey was a calculated move for preservation.

Moreover, the spiritual implications of the hoard’s location have come under scrutiny. Reg Mead, one of the original discoverers, highlighted the natural defenses of Grouville, which may have served as protective barriers. Dr. Duval-Gatignol proposed that the site could have held sacred significance, as Celtic hoards were often deposited in temples or other ritualistic locations. This theory raises intriguing questions about the motivations behind the hoard’s burial and the potential for divine retribution for its recovery.
The Le Câtillon II hoard remains one of the most significant archaeological finds in Europe, with over 94 percent of the coins linked to the Coriosolitae tribe. The artifacts, which include gold staters, torques, and even a Late Bronze Age spearhead, provide valuable insights into the cultural and economic interactions of Iron Age societies across Western Europe.

As researchers continue to explore the implications of these findings, the possibility of further excavations looms large. The questions surrounding the hoard’s purpose—whether it served as a hidden royal mint, a temple offering, or a desperate act of preservation—remain unanswered. Dr. Kingsley aptly summarized the ongoing intrigue: “There’s something incredibly special about these fields. The spiritual power of the ancestors is likely to have been a big reason why the hoard was brought to Jersey.”
The discoveries at Le Câtillon not only enhance our understanding of Celtic history but also invite us to reconsider the narratives surrounding ancient settlements and their roles in the broader context of European history.
For those seeking a more in-depth understanding of this remarkable discovery, Wreckwatch magazine has released a dedicated special issue, made possible by the support of the Highlands College Foundation. In addition, viewers can explore the significance of the hoard through a documentary currently streaming on Wreckwatch TV on YouTube.
Cover Image Credit: Jersey Heritage