In addition to the walk-in tours at the visitor center, we also offer private tours for groups. These tours delve deeper into the history of the building, but also offer the opportunity to learn more about astronomy in general.

If you can't make it to Leiden University to visit us, don't worry. Our virtual tours take you around the cities of Leiden and The Hague, show you around on campus and into our classrooms.

If you can't make it to Leiden University to visit us, don't worry. Our virtual tours take you around the cities of Leiden and The Hague, show you around on campus and into our classrooms.

Holidaymakers, day-trippers and tourists were able to book a University tour, with a student as their guide.

During the Leiden Science Family Day, you will visit places that are normally closed to the public: go backstage at the Faculty of Science!

Curious to know how studying in The Hague looks like? Take our VR tour through The Hague!

Curious to know how studying in The Hague looks like? Take our VR tour through The Hague!

Curious to know how studying in The Hague looks like? Take our VR tour through The Hague!

Curious to know how studying in The Hague looks like? Take our VR tour through The Hague!

Curious to know how studying in The Hague looks like? Take our VR tour through The Hague!

Curious to know how studying in The Hague looks like? Take our VR tour through The Hague!

Curious to know how studying in The Hague looks like? Take our VR tour through The Hague!

Curious to know how studying in The Hague looks like? Take our VR tour through The Hague!

Curious to know how studying in The Hague looks like? Take our VR tour through The Hague!

Curious to know how studying in The Hague looks like? Take our VR tour through The Hague!

Curious to know how studying in The Hague looks like? Take our VR tour through The Hague!

Curious to know how studying in The Hague looks like? Take our VR tour through The Hague!

Curious to know how studying in The Hague looks like? Take our VR tour through The Hague!

Henk Borgdorff to visit the UK and Germany to speak about research in and through the arts.

Local broadcaster Omroep West recently joined one of the University’s Summer Tours. These exclusive tours give you a peek behind the scenes at the Academy Building, P.J. Veth Building and Bibliotheca Thysiana: buildings with a long, rich history.

From gay rights in Asia to water management in the Philippines and from the Silk Road to current tensions with North Korea. Come to the Tour of Asia on 14 September to find out all you wanted to know about Asia and more.

On 26 October 2018, the 4th CML Rev on tour took place in Warsaw. The workshop on ‘The Prospects for Social Europe’ was organized in cooperation with the Faculty of Law and Administration of the University of Warsaw.

A group of patients were given a guided tour of the larger than life Rembrandt canvases on University buildings around the Rapenburg canal. This was with the help of students from Present, a volunteer organisation, who pushed their wheelchairs over the bumpy cobblestones. The canvases are on show until…

On 11 October 2019, the 5th CML Rev. on Tour conference took place in Paris, at the beautiful Salle des Conseils in Paris 2 Panthéon-Assas University.

On 20 October 2016, a highly successful 2nd CML Rev Annual Conference took place, in Oslo. This was organized in cooperation with the Oslo Centre for European Law. The title was: Crossing Europe’s Borders: New approaches to migration in European law.

On 16 June 2017, the 3rd CML Rev on tour took place in Berlin. The workshop on ‘The EU and Globalisation: Assets and Liabilities’ was organized in cooperation with LMU Munich and the Wissenschaftskolleg zu Berlin.

The winter season is almost here and so is the end of our exhibition More-than-Planet. From 1 November, you can only visit us with exclusive guided tours. During this tour, you will visit one of our historical telescopes and we will take you through the More-than-Planet exhibition.

On 15 May 2024, master’s students and staff from the International Institute of Air and Space Law (IIASL) visited Amsterdam Airport Schiphol, the Netherlands' main international airport and the world’s third busiest airport for international passenger traffic.

On the 22nd of April 2021, the students of the LL.M. European Law had the opportunity to virtually visit the European Commission.

On Thursday 20 October 2016, the 2nd annual Common Market Law Review conference “Crossing Europe’s Borders - New approaches to migration in European law

The EL CID introduction week has come to a close. This was the week when first-year students got to know one another, the city and their study programme better. See the week in photos.

From now on, you can go for a walk through Leiden’s scientific history and at the same time across the historic city center itself. Master students Lotte Koemans and Mandy Meijer have developed an audio tour which takes you past all six wall formulas in the inner city of Leiden.

On 8 February 2016, Dr Jennifer Tour Chayes, Director of Microsoft Research in Boston and New York, will be presented with a Leiden honorary doctorate by Frank den Hollander, Professor of Probability Theory and Statistical Physics.

‘In Hong Kong, the elderly found our popular nature routes boring, so they now cycle our action-packed routes through New York.’ What once started as an assignment for the Master Programme Media Technology, has grown into the international market leader in the field of virtual reality exercises for…

Conference

The Old Observatory is still used intensively as a university building. Yet there is still plenty to see and experience in this beautiful monument. Find out what the possibilities are here.

Visit our exhibition JWST Universe and be immersed in the phenomenal images from this groundbreaking telescope.

Are you interested in Leiden University College The Hague, but unable to travel to our open day on 2 March? Not to worry! We are livestreaming the information sessions taking place in our building.

Are you interested in Leiden University College The Hague, but unable to travel to our open day on 2 March? Not to worry! We are livestreaming the information sessions taking place in our building.

Study information

We always try to answer questions about the Old Observatory Leiden as well as possible. Choose the subject you have a question about from the dropdown menu below.

Are you interested in Leiden University College The Hague, but unable to travel to our open day on 2 March? Not to worry! We are livestreaming the information sessions taking place in our building.

Are you interested in Leiden University College The Hague, but unable to travel to our open day on 2 March? Not to worry! We are livestreaming the information sessions taking place in our building.

Get to know us through our online and in-person events for prospective students!

Get to know us through our online and in-person events for prospective students!

Get to know us through our online and in-person events for prospective students!

Get to know us through our online and in-person events for prospective students!