Key Facts
• Public swimming in the Seine River reopened on July 5, 2025, after 102 years.
• Swimming was banned in 1923 due to water pollution from sewage inflow.
• Paris invested approximately 230 billion yen to improve water quality for the 2024 Olympics.
• Hundreds of people swam near the Eiffel Tower on the first day of reopening.
• Swimming is allowed at three designated locations near the Eiffel Tower.
• Daily water quality checks ensure safety, and access is free until the end of August 2025.
Summary
For the first time in over a century, public swimming in the Seine River has been permitted in Paris. The ban, imposed in 1923 due to severe water pollution, was lifted on July 5, 2025, following extensive water quality improvements costing 230 billion yen. This initiative was part of preparations for the 2024 Paris Olympics, where the river hosted events like triathlons. On the reopening day, hundreds of residents enjoyed swimming near the iconic Eiffel Tower. Swimming is now allowed at three designated spots, with daily water quality monitoring ensuring safety. The public can enjoy this experience free of charge until the end of August 2025.
