Flan festival: garage sale, flan tastings and free entertainment in Triel-sur-Seine (78)

The Fête du Flan returns to the Quais de Seine in Triel-sur-Seine, Yvelines, for its 46th edition on September 27 and 28, 2025. There's more than just flan on the program, with a host of free events for the whole family, including a major annual flea market featuring almost 500 exhibitors, whether you're a bargain hunter, an antique dealer or simply curious.

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And of course, there's also a catering area, with several on-site restaurateurs and a flan sale by Triell bakeries. Gourmets, young and old, can also enjoy musical entertainment by local artists, inflatable structures and a merry-go-round in the heart of the town. And since 2020, the Fête du Flan has been a festival of solidarity!

For those who don't live in the area, an electric shuttle will be running from the station, as well as free little trains in the town, to take visitors around the various entertainment areas.

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