The ruins – an oval shaped wall of 50 metres in length and 40 metres width – dates back to the 4th century and were discovered during construction works last month, the archeological serviceExternal link of canton Aargau said.
The site along the Rhine river has been known as the Augusta Raurica garrison at the northern border of the Roman Empire.
The town, now called Kaiseraugst, is some 11km east of the city of Basel and is close to the border with Germany.
The stones and imprints of wooden posts are part of an amphitheatre, which was situated next to a quarry and a fort, the archeological service announced on Wednesday.
It is the youngest Roman amphitheatre found so far, according to experts.
It is the third such arena in Augusta Raurica, one of the most important Roman sites in Switzerland.
“The monument highlights the importance of the garrison during the early centuries AD,” a statement said.
So far, eight ancient Roman amphitheatres have been found in Switzerland. It’s believed that they were used mainly for gladiator combats, chariot races and animal slaying.
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The capital of the Helvetians
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What is today the town of Avenches, in canton Vaud, used to be a Roman metropolis. It was known as Aventicum.
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Plaintiffs in a class-action lawsuit are claiming that Switzerland prioritised national interest over its legal obligation to bondholders.
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Most Swiss people are planning at least one holiday this year in spite of rising costs and inflation, according to a study.
Italian busted smuggling alcohol in milk and shampoo bottles into Switzerland
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An Italian motorhome driver has been caught trying to smuggle 135 litres of pure alcohol disguised in various bottles into Switzerland.
Swiss debate double-barrelled names for spouses and registered partners
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A reform to the country’s naming laws could permit married couples and registered partners to have a double-barrelled surname again in future.
SWISS CEO admits mistakes were made during pandemic
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At the end of his tenure, Swiss International Air Lines (SWISS) CEO Dieter Vranckx is not all positive, admitting mistakes were made.
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Basel scientists attempt to recreate Roman fridge
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Kaiseraugst, in canton Aargau, is home to ruins of the Ancient Roman city of Augusta RauricaExternal link. The Romans are known to have used such holes to store fruit, vegetables, oysters, cheese and other products that go off. In winter, they would fill them with snow and ice and cover them with straw. This is…
Switzerland’s hidden treasure trove of Roman mosaics
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The small town of Orbe is home to the largest and most beautiful collection of Roman mosaics north of the Alps. Where are the visitors?
Intricate Roman mosaic discovered in western Switzerland
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A detailed Roman mosaic depicting two birds perched on a vessel has been uncovered during routine water pipe maintenance in canton Vaud.
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Rome’s ruins tell us about wars and destruction, but also about how from history emerged an extraordinary, fascinating and beautiful city.
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Thousands turned out to watch bare-foot fighters dressed in traditional gladiator gear battle it out at the weekend’s Roman Festival in the ancient settlement of Augusta Raurica near Basel. A colourful procession kicked off the first contest on Sunday. A battalion of legionnaires in armour, followed by dancers and musicians in robes and togas, trod…
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If you want to start a conversation about a topic raised in this article or want to report factual errors, email us at english@swissinfo.ch.