Breaking Ground: The Discovery of Amsterdam's Hidden Roman Treasure

Beneath the city streets of Amsterdam lies a centuries-old secret waiting to be uncovered. In a remarkable archaeological discovery, a team of researchers has unearthed the remains of the Netherlands' largest Roman bathhouse, hidden beneath the current Nijmegen.

The excavation, led by archaeology firms RAAP and BAAC, revealed an astonishing complex spanning over 4,900 square meters. This is at least twice the size of the previously studied public baths at Forum Hadriani in Voorburg and Coriovallum in Heerlen.

Researchers suggest that the Roman city of Ulpia Noviomagus, which once stood in the same location, was granted Roman city rights by Emperor Trajan around AD 100. The discovery also points to a wealthy and thriving population living in the area approximately 1,800 to 1,900 years ago. Among the remarkable finds were jewelry, signet rings, coins, fragments of bronze statues, and even a bronze bust of the Roman wine god, Bacchus.

The bath complex itself was elegantly finished with marble-clad interior walls and floors made of black and white limestone tiles. Archaeologists also uncovered drainage channels and the remains of a hypocaust - the Roman underfloor and wall heating system - with two stone foundations surviving up to two metres high.

What makes this discovery truly remarkable is the collection of hundreds of bone hairpins decorated with cat figures, likely carved by the same skilled artisan. One of the most fascinating pieces is a standing cat with its tail up, said project leader Erik Verhelst.

Furthermore, the excavation has altered the city's history as coins from the reign of Emperor Postumus suggest that this quarter remained in use well into the third century, longer than previously thought.

A new planned housing development will aim to integrate the preserved remains into the new district, featuring covered colonnade walkways. This development will undoubtedly allow future generations to appreciate the history and architecture of Ulpia Noviomagus.

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In the coming months, we will continue to share the latest developments and insights from the excavation. Please help us create a better reading experience by participating in our short survey.