Prague Klementinum Library & Astronomical Tower


Embark on Klementinum Library & Astronomical Tower, one of Europe’s most expansive building complexes, to view its magnificent Baroque Library Hall and take in panoramic vistas of Prague.

Meet your guide to explore this complex, whose construction began in 1653. Today, it is largely home to the Czech National Library.

Gaze at the Baroque Library Hall from behind a fence, admiring the ornate frescoes, gilded detailing, and large globes embellishing the soaring space. Your guide will then lead you up to the Astronomical Tower to enjoy sweeping views of the city below.


Take a guided tour Klementinum Library & Astronomical Tower, one of Prague’s lesser-known treasures. Inside, marvel at the splendor of the Baroque Library Hall with its elaborate decorative details. Also see the Meridian Hall and ascend to the Astronomical Tower atop the building for excellent city views. This tour reveals a beautiful complex rarely witnessed by visitors to this historic city.

  • Marvel at panoramic views of Prague from a 68-meter-high viewing tower
  • Visit the Klementinum, a vast building complex that spans a full city block
  • Discover one of Prague’s hidden gems as you explore the space with a guide
  • Learn how the Meridian Hall was used to determine the exact time of high noon
  • View and admire the ornately-decorated Baroque Library from the outside


  • Entry ticket
  • Tour

Tour Plan

What to expect

Conclude your visit on a memorable high point by ascending the Astronomical Tower. From 68 meters up, take in panoramic views spanning Prague's city center and Prague Castle.

The tour company can modify the itinerary if necessary. There is a slight possibility a guide may be unavailable due to unanticipated situations that could arise.

Meeting point

Meeting point is in the middle of Klementinum complex, next to the Mirror chapel. Here are the coordinates 50.086590, 14.416713 Please exchange your voucher at the Klementinum ticket office to join the tour.

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Additional information

Know before you go

  • The activity provider reserves the right to change the program. Due to unexpected circumstances, a guide may not be available
Cancellation policy

Free cancellation

  • Cancel up to 24 hours in advance for a full refund


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