Did you know? The Journées du Patrimoine is the back-to-school cultural event that awaits you throughout Europe on the weekend of September 20 and 21, 2025. For the occasion, Paris and the whole of the Île-de-France region will be revealing their treasures during this event, which features free visits, unusual events and unusual places opening their doors for the occasion. So, are you looking for a good deal?
Take a trip to the Hauts-de-Seine to discover this strange building, which has been standing in the middle ofIle Séguin in Boulogne-Billancourt since 2017. Conceived as a "musical destination",La Seine Musicale boasts an imposing 6,000-seat concert hall, "La Grande Seine", a 1,150-seat auditorium and various rehearsal and recording spaces.
Designed by architects Jean de Gastines and Shigeru Ban, the Seine Musicale is an architectural challenge, as theauditorium sits on the Seine and "its wooden shell seems to float on the Parisian river". During the Journées du Patrimoine 2025 (Heritage Days 2025), discover all the secrets of this venue, which has quickly become an essential part of the region's cultural life.
Aucun événement annoncé à ce jour, le programme est mis à jour en fonction des annonces officielles.
Dates and Opening Time
On September 21, 2025
Location
La Seine Musicale
Île Seguin
92100 Boulogne Billancourt
Access
Metro line 9 Pont de Sèvres station (terminus). Exit 1 (take Quai Georges Gorse then Pont Renault) T2: Brimborion or Musée de Sèvres stations, then take the footbridge Bus: 160 - 169 - 171 - 179 - 279 - 291 - 389 - 429 - 467 Pont de Sèvres station
Prices
Free
More information
Free access, no reservation required
