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Guided Tours

Prague Klementinum Library & Astronomical Tower Guided Tour

Klementinum courtyard with historic tower and ivy-covered walls in Prague City.
Ceiling fresco depicting angels and classical figures in the Baroque Library.
View of Prague's red rooftops and historic buildings from the Astronomical Tower of Clementinum.
Interior view of the Astronomical Tower of Clementinum, featuring wooden beams and historical displays.

Open today

10:00am - 7:00pm

Explore at your pace

Choose your entry time, stay as long as you like

Guided tour

    • Explore the Klementinum Library and Astronomical Tower with insights from an expert English-speaking guide.

    • Step inside the stunning Baroque Library Hall, home to over 27,000 old printed works and ornate frescoes.

    • Visit the historic Meridian Hall, where astronomers once determined Prague’s exact noon time using a beam of sunlight.

    • Take in sweeping panoramic views of Prague’s skyline from the top of the Astronomical Tower.

    • English-speaking guide

    • Guided tour of Klementinum Library

    • Guided tour of Astronomical Tower including climb to the top

    • Access to Baroque Library Hall

    • Access to Meridian Hall

  • These tickets can't be cancelled or rescheduled.

  • Explore the historic Klementinum complex on a 45-minute guided tour, including skip-the-line entry and panoramic city views from the Astronomical Tower.

    Getting started

    Meet your English-speaking guide near the main entrance, where your ticket will be validated. After a brief introduction, follow your guide as you begin your journey through this renowned Prague landmark.

    What to expect

    The Klementinum stands as one of Prague’s largest and most significant building complexes, celebrated for its cultural and scientific contributions over centuries. Your guide will share insights into its storied past and architectural highlights as you explore key areas.

    Features

    • Baroque Library Hall: View this ornate hall from behind a fence, admiring its frescoed ceilings and gilded carvings—an iconic example of Baroque artistry.

    • Meridian Hall: Discover how this unique room was historically used to determine the exact time of high noon, reflecting the Klementinum’s scientific legacy.

    • Astronomical Tower: Climb to the top for sweeping panoramic views of Prague and the iconic Prague Castle from 68 meters above the city.

    • Guided experience: Benefit from a live English-speaking guide who brings the history and architecture of the Klementinum to life.

    • Practical note: The tour involves climbing many stairs, and there is no lift available; please consider your fitness level before participating.

  • Astronomical Clock Prague

    Monday10:00am - 7:00pmlast entry 6:00pm
    Tuesday10:00am - 7:00pmlast entry 6:00pm
    Wednesday10:00am - 7:00pmlast entry 6:00pm
    Thursday10:00am - 7:00pmlast entry 6:00pm
    Friday10:00am - 7:00pmlast entry 6:00pm
    Saturday10:00am - 7:00pmlast entry 6:00pm
    Sunday10:00am - 7:00pmlast entry 6:00pm
  • What to bring

    • Bring comfortable shoes suitable for climbing stairs.

    • Carry a valid photo ID to match the name on your booking if requested at the entrance.

    What’s not allowed

    • Large bags, suitcases, and oversized luggage are not allowed inside the venue for security reasons.

    • Pets are not permitted, except for registered service animals.

    • Alcohol, drugs, and any form of intoxication are strictly prohibited on the premises.

    Accessibility

    • This experience is not wheelchair accessible.

    • There is no lift available, and the tour involves climbing a significant number of stairs.

    Additional information

    • The activity provider reserves the right to change the program.

    • Due to unexpected circumstances, a guide may not be available.

    • Visitors undertake the tour at their own risk, especially considering the number of staircases and their current fitness and overall health.

    • The tour lasts approximately 45 minutes.

    • Entry includes access to the Baroque Library Hall (viewed from behind a fence), Meridian Hall, and the Astronomical Tower.

    • Skip-the-ticket-line entry is included for a more efficient experience.

    • Your voucher will be emailed to you shortly.
    • Display the voucher on your mobile phone with a valid photo ID at the starting point.
    • Please check your final voucher for the starting point details & specific instructions.

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