When does the Open Observatory take place?

The event will take place on Sunday, September 27, 2026, from 11:00 AM to 1:00 PM.

Where is the Old Observatory Mannheim located?

The Old Observatory is located at A4, 6, 68159 Mannheim, next to the Bismarckstraße beside Jesuitenkirche and Ursulinenschule.

How long does a tour last?

The individual short tours last about 35 minutes.

When do the tours start?

Between 11:00 AM and 12:40 PM, a tour starts every 20 minutes.

Do I need a reservation?

No reservation is required. Free tickets are available directly at the observatory from 10:45 AM.

What is the admission fee?

Admission is free. Donations are welcome.

Discover Mannheim's Old Observatory with Tower Ascent and Wide Kurpfalz View

Name: Open Observatory
Start: 2026-09-27T11:00:00+02:00
End: 2026-09-27T13:00:00+02:00
Location: Alte Sternwarte Mannheim

Discover Mannheim's History from the Observatory Tower

The Old Observatory Mannheim will open its historic rooms for a special discovery experience on Sunday, September 27, 2026. Instead of a free visit, guests will be treated to guided short tours with an ascent to the tower and an impressive panoramic view over Mannheim and the Kurpfalz.

Historic Rooms and Dynamic Scientific History

The Old Observatory connects local history, scientific heritage, and urban panorama in a compact space. During the tour, guests receive insights into the building's history and experience a significant piece of Mannheim's cultural history up close.

Tower Ascent with Panoramic View

The highlight of the city tour is the ascent to the tower. From above, the view opens over the rooftops of Mannheim into the Kurpfalz. The historic architecture, the special atmosphere of the observatory, and the view create a cultural enrichment for locals and tourists alike.

Short Tours Every 20 Minutes

On the day of the event, short tours will start every 20 minutes between 11:00 and 12:40 PM. Each tour lasts about 35 minutes. Free tickets will be available directly at the observatory from 10:45 AM. No reservation is required.

Conclusion: Experience Mannheim from a New Perspective

The Open Observatory offers a compact city tour with local history, historic ambiance, and wide views. Those who want to discover Mannheim's cultural heritage and see the city from an unusual perspective will find an authentic discovery experience here with free admission. Donations are welcome.