Gauthier-Mougin Departmental Park and its sculpture trail on Île Seguin now open

Published by Graziella de Sortiraparis · Updated on January 15, 2026 at 06:20 p.m.
The Gauthier-Mougin Departmental Park and its sculpture trail will open to the public starting January 31, 2026, at the heart of Île Seguin. Covering 3.5 hectares, this outdoor open-air museum offers a unique blend of nature and art, inviting visitors to enjoy a scenic promenade amidst sculptural masterpieces.

By 2026, the Île Seguin will boast a new cultural center, a hotel, and a sculpture park! The first of these to open to the public is set to debut on the morning of Saturday, January 31, 2026. This Gauthier-Mougin Departmental Sculpture Park aims to be as natural as it is artistic, designed by landscape architect Michel Desvigne and situated right in the heart of the island. A trail of sculptures, murals, and monumental works, comprising 26 pieces, weaves a new artistic route and invites visitors to explore contemporary installations along the walk.

Strollers will have the opportunity to explore artworks by Jean-Charles Castelbajac, Jacques Villeglé, Peter Stämpfli, Marta Pan, Tiphaine Calmettes, and Véronique Joumard. These are showcased alongside sculptures by Kohei Nawa and César, which were previously part of a sculpture trail set up by the Department on Île Seguin since 2017. It’s a true open-air museum nestled within a green space spanning 3.5 hectares, featuring 800 trees, shrubs, and flowers of native species, crossed by two tree-lined pathways exclusively for pedestrians.

The park was named in honor of the first deputy mayor and president of SPL Val de Seine Aménagement, who passed away in 2021.

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Île Seguin has been adorned in recent years by the Seine Musicale, but its transformation is far from complete. By 2026, the island will also welcome a contemporary art center, a cinema, and shopping venues. [Read more]

Practical information

Dates and Opening Time
Starts January 31, 2026

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

    Location

    696 Rue Yves Kermen
    92100 Boulogne Billancourt

    Route planner

    Accessibility info

    Prices
    Free

    Official website
    www.boulognebillancourt.com

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