Big Jump: Parisians invited to jump into the Marne and Seine rivers over the July 14th weekend

Published by Graziella de Sortiraparis · Photos by My de Sortiraparis · Updated on July 1, 2025 at 07:31 p.m.
Feel like cooling off on July 13, 2025? The Greater Paris metropolitan area is organizing a "Big Jump", an event that invites the people of the Paris region to jump into the water along the Marne River, to show its attachment to the aquatic environment.

While a heat wave has hit the capital and could well return after a little lull, you're invited to jump into the water this Sunday afternoon, July 13, 2025, for the Big Jump. The aim of this action is to show our commitment to rivers, water quality and environmental protection.

Once again, many towns and cities will be taking part in this partnership around the Seine and Marne rivers during this European event, where millions of citizens are invited to bathe at the same time. In Paris, the idea doesn't necessarily make people happy, since swimming in the Seine is not easy, despite the recent opening of new spots. Fortunately, water sports events and activities have been set up to allow you to dip your feet in without danger!

Big Jump in the region

Participating cities are updated as announcements are made.

Bras Grenelle - Bras Marie - Bercy

Take advantage of the opening of the Seine for swimming!

Neuilly-sur-Marne - Marina (93)

Safe swimming area. Free swimming will be available on July 13 from 2:30 to 6pm during a festive afternoon on Sunday, and from 11am to 6pm on Monday, under the supervision of qualified lifeguards. To take part, you must be at least 15 years old and know how to swim.

Saint-Maur-des-Fossés - Jardin du Beach (94)

Family event with music, stands presenting water professionals and jumping at 3 p.m.

Champigny-sur-Marne - Base nautique Roland-Bouchier (93)

  • 2:30 pm: Public swim, followed by the Campinoise delegation's canoe trip to meet elected officials from the Saint-Maurienne delegation.
  • 3pm: Slash in the air show on the beach
  • 4pm: Guided canoe trip on the theme of the flora and fauna of the Marne islands.

So, all in the water?

Practical information

Dates and Opening Time
From July 13, 2025 to July 14, 2025

× Approximate opening times: to confirm opening times, please contact the establishment.

    Prices
    Free

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