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.
Macron will attend Swiss summit on Ukraine, says Zelensky
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French President Emmanuel Macron will attend the peace conference on Ukraine at the Swiss Bürgenstock resort next month, according to Volodymyr Zelensky.
Top politician tells ‘corrupt’ Eurovision to stay away from Bern
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A social media post by the president of Bern’s cantonal government critical of the Eurovision Song Contest has created waves and will be discussed in the cantonal parliament.
Swiss centre records over 200 victims of human trafficking
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Last year 317 people took part in a protection programme run by the Specialist Unit for Trafficking in Women and Women’s Migration (FIZ) in German-speaking Switzerland.
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The Geneva-based International Committee of the Red Cross (ICRC) and partners are opening a field hospital in southern Gaza on Tuesday.
Lack of smartphone sustainability in Switzerland hits environment
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Almost half of all Swiss citizens hang on to their old smartphones, tablets and laptops, according to the Federal Statistical Office.
Police clear out pro-Palestinian students protesting in Geneva
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The police intervened early on Tuesday to dislodge pro-Palestinian students who had been occupying the University of Geneva for almost a week.
New gel developed in Zurich renders alcohol harmless
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A newly developed gel composed of whey proteins breaks down alcohol in the body and could reduce its harmful and intoxicating effects in humans.
Pro-Palestine protests extend to Basel and Fribourg universities
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Demonstrators called for an academic boycott of all Israeli institutions and disassociation with Chaim Weizmann, the first Israeli president.
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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.