Welcome to the Paul Sacher Stiftung
All of the Paul Sacher Stiftung's holdings are available for academic research free of charge. The collections and library resources may only be consulted in the PSS’s reading rooms.
For your visit a prior registration through the contact form is required.
Opening of the Paul Sacher Stiftung
The Paul Sacher Stiftung is regularly open to visitors.
The Paul Sacher Stiftung will be closed for the Basel Carnival from March 10 until March 16, 2025.
The Stiftung will remain closed to visitors on the following days due to construction work:
16–29 June 2025
4–10 August 2025
Contact & Information
Paul Sacher Stiftung
Münsterplatz 4, CH-4051 Basel
Switzerland
Phone: +41 61 269 66 44
Fax: +41 61 261 91 83
Visiting hours
Our opening hours are Monday to Friday, 9 am - 12 and 1 pm - 4.45 pm.
The historic building is not yet barrier-free accessible, please contact the administration office for more information.
Closing times
The Stiftung will be closed to visitors on the following days:

8 – 16 Mar 2025 | Carnival |
18 – 21 Apr 2025 | Easter |
1 May 2025 | Labor Day |
7 May 2025, afternoon | Internal event |
29 + 30 May 2025 | Ascension Day |
9 June 2025 | Whit Monday |
16 – 29 June 2025 | Construction work |
30 June – 3 Aug 2025 | Summer holidays |
4 – 10 Aug 2025 | Construction work |
19 Dec 2025 – 4 Jan 2026 | Christmas/New Year 2025/26 |
23 Feb – 1 Mar 2026 | Carnival |
3 – 6 Apr 2026 | Easter |
1 May 2026 | Labor Day |
14 + 15 May 2026 | Ascension Day |
25 May 2026 | Whit Monday |
29 June – 2 Aug 2026 | Summer holidays |
18 Dec 2026 – 3 Jan 2027 | Christmas/New Year 2026/27 |