In Europe, researchers have just discovered a treasure submerged for 2,000 years in a lake 150 metres deep

3 Jun 2026 • 5:20 AM MYT
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Image from: In Europe, researchers have just discovered a treasure submerged for 2,000 years in a lake 150 metres deep
Shore of Lake Neuchâtel at a sunny day in spring, Switzerland ©Shutterstock / praiadotofo8400

In the depths of Lake Neuchâtel in Switzerland, archaeologists have uncovered an impressive ancient treasure. It had remained untouched for nearly twenty centuries. Here’s a closer look.

In the heart of Switzerland, a fascinating treasure has recently resurfaced, according to the Canton of Neuchâtel last March. Specialists uncovered hundreds of objects dating back to the Gallo-Roman period, revealing a little-known aspect of ancient trade networks. Preserved in remarkable condition, these remains now offer valuable insight into daily life and commercial routes from nearly 2,000 years ago.

An ancient cargo unearthed

It was during a diving mission beneath the calm waters of Lake Neuchâtel that underwater archaeologists Fabien Langenegger and Julien Pfyffer spotted the remains of an ancient vessel. They subsequently discovered a vast cargo containing several objects dating from the first decades of the Common Era.

Among the artefacts recovered were amphorae (two-handled jars), ceramic plates, weapons, and wooden cart components. Some of the amphorae are believed to have been used to transport olive oil from the Iberian Peninsula, evidence that this Swiss region already played an important role in Roman trade routes.

Image from: In Europe, researchers have just discovered a treasure submerged for 2,000 years in a lake 150 metres deep
Magnificent view of Lake Neuchâtel, Switzerland – © praiadotofo8400 / Shutterstock

Objects preserved in spectacular condition

According to the Swiss scientists, these remains have withstood the centuries remarkably well. Protected from air and light for hundreds of years, several objects have remained intact and still display exceptionally sharp details. To preserve them as effectively as possible, the teams used digital surveying techniques and 3D modelling before carrying out any extraction work. Each item was then handled with extreme care to avoid deterioration upon contact with the air.

Researchers now hope to gain a better understanding of the organisation of river transport during the Roman period, as well as the goods that circulated between different provinces. As for the shipwreck itself, they believe the vessel sank suddenly, possibly following a storm or because of an excessively heavy load. Analyses to be carried out over the coming months may reveal even more information on the subject.

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