No need to tell you twice—our beloved capital is truly fabulous. Summer or winter, it’s a real delight for everyone who explores it. And it’s true that with the upcoming Heritage Days just around the corner, we’re even more eager to discover it!! That’s perfect timing, since for just one weekend, certain places that are usually closed to the public will open their doors! This is the case with the Sorbonne Interuniversity Library. Undoubtedly one of the most beautiful—but also one of the most secret—libraries in Paris!
A secret library in Paris, open to the public in September
It’s undoubtedly one of the most beautiful libraries in Paris, and yet you can only visit it two days a year… Welcome to the Sorbonne Interuniversity Library! This hidden gem of Parisian heritage, over 200 years old, specializes in literature and the humanities, and is usually reserved exclusively for students, researchers, and professors…
But during Heritage Days, it will finally open its doors to the general public for two days of exclusive tours. On September 19 and 20, you’ll get to explore its most remarkable reading room, the Jacqueline de Romilly Room. With its moldings, paintings, and distinctive sky-blue color,a magical atmospherereignshere…

You’ll be ableto tour the library, as well as the university and its prestigious lecture halls, during completely free guided tours. No reservation is required. Just arrive before 10 a.m. (opening time) and line up at the entrance located at 47 rue des Écoles. The program and schedule will be available soon on theirwebsite.
So mark your calendars forSaturday, September 19, and Sunday, September 20, 2026, fora cultural weekend you won’t want to miss.
📍 Location: 47 rue des Écoles, 75005 Paris
🗓️ Dates: September 19 and 20, 2026
🎟️ Admission: free