The Fête de la Marguerite returns to Le Vésinet this Sunday, June 22, 2025 to celebrate the town's 150th anniversary in a retro, bucolic atmosphere. From 12pm to 8pm, white and yellow dress code, open-air entertainment, music and strolls await you in the heart of the Parc des Ibis. A festive, family-friendly, 100% guinguette event not to be missed this weekend in the Yvelines!