Key Facts
• July 5, 2025: Seine River reopened for swimming after 100 years.
• Paris invested approximately $16.8 billion to improve water quality for the 2024 Olympics.
• Swimming is allowed at three designated locations: near Notre Dame Cathedral, Eiffel Tower, and eastern Paris.
• Swimming in other areas remains prohibited due to safety concerns.
• The Seine was closed to swimming in 1923 due to pollution and river traffic.
• Water quality now meets European regulatory standards, enabling public access.
• Free access to swimming spots is available until the end of August 2025.
• Age restrictions apply: 10 or 14 years and older, depending on the location.
• Some Parisians remain skeptical due to murky water, floating debris, and boat traffic.
Summary
The Seine River in Paris reopened for swimming on July 5, 2025, after being closed for a century due to pollution and safety concerns. This milestone follows a $16.8 billion investment to improve water quality ahead of the 2024 Paris Olympics. Swimming is now permitted at three designated locations near iconic landmarks, including Notre Dame Cathedral and the Eiffel Tower. While water quality meets European standards, safety concerns restrict swimming to these areas only. Free access is available until August 2025, with age restrictions in place. Despite the improvements, some Parisians remain hesitant due to water clarity, debris, and river traffic.
