Boucle de Montesson Departmental Park

Music Day 2026 in Montesson (78): schedule adjusted for heatwave

The Fête de la Musique 2026 remains in Montesson, but the program is adjusted due to the heat. On Saturday, it kicks off at 7 p.m.; Créa’danse is canceled, and Sunday’s concert has been moved.

Earth Festival 2026 in Montesson (78): Flavor Market, Gardening Workshops & Educational Farm

À Montesson (78), le printemps se vit les mains dans la terre et le nez au grand air. The Earth Festival returns on Sunday, May 24, 2026, to Parc Départemental de la Boucle de Montesson, with its market of local producers, an educational farm, nature workshops, and family activities.

Halloween 2025: l'Antidote, a deadly murder party in Montesson departmental park (78)

Looking for a Halloween scare? On Saturday, October 25, 2025, plunge into the Loop de Montesson park (Yvelines) for a zombie-filled murder party.

Fête des Saveurs en Plaine 2024 in Montesson (78): local produce market, flowers and workshops

The Fête des Saveurs en Plaine is coming to the Parc départemental de la Boucle de Montesson (78) for its 3rd edition! Coupled with the town's Festival de la Terre, the event takes place on Sunday, May 5, 2024, with a fresh produce and crafts market, a flower market, workshops and even a show!