Climb the Astronomical Tower for panoramic views across the city's red rooftops and the Vltava River below.
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Ages 18–64 · 50-minute guided tour of Baroque Library Hall + Astronomical Tower + Meridian Hall + Chapel of Mirrors
€42
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Students with valid ID · seniors 65+
€32
Live availability
2 adults + up to 2 children (6–17)
€110
“The Baroque Library is everything they say — we'd booked the 11am English tour and there were only 12 of us. Could actually hear the guide explaining the Hiebl ceiling.”
“Tower view at the end of the tour was a complete surprise — better than the Old Town Hall view in my opinion. The Charles Bridge angle is closer.”
“Tour starts on time and they don't admit latecomers — the team's reminder email made that crystal clear, so we arrived 10 minutes early like they suggested.”
The Klementinum stands in Prague's Old Town as one of Europe's largest Jesuit complexes, a sprawling Baroque compound that once served as a college, library, and observatory. Today it houses the Czech National Library and opens select halls to visitors. You smell old paper and polished wood the moment you step through the gate.
The main Baroque construction took place from 1709 to 1726 under Jesuit direction. The complex occupies over two hectares and contains multiple courtyards, chapels, and the famous Astronomical Tower that rises above the red rooftops of Malá Strana.
You climb the narrow spiral staircase of the tower, passing frescoed ceilings and antique instruments still mounted in glass cases. At the top, Prague unfolds in all directions—the Vltava curves below, the Castle looms west, and the city's spires puncture the skyline. The Baroque Library Hall gleams with ceiling frescoes and floor-to-ceiling walnut shelves.
Klementinum Tickets acts as a facilitator to assist international visitors in purchasing skip-the-line tickets directly from Prague City Tourism, the official operator. We do not resell tickets — we provide a personalised booking and English-language support service. Our concierge service fee is included in the displayed price.
Plan your visit
A close look at the Klementinum's 1722 Baroque Library Hall, the Astronomical Tower views, and the Mirror Chapel — the three rooms every guided tour covers.
Both have famous Baroque library halls. Here's how they compare on access, fresco programme, atmosphere and route logic.
172 steps vs 137 steps, different angles on the city, different ticket logic. A direct comparison of Prague's two most-climbed Old Town towers.
Prague City Tourism (the operator) publishes Klementinum tour sessions on a rolling 2–3 week schedule — typically you'll see open dates from today out to roughly three weeks ahead, with new dates added each week. If your travel date falls beyond the currently-visible window, email [email protected] with your dates and we'll watch the calendar for you. As soon as the operator publishes a session that matches your window, we send you a one-click booking link. Operationally we refresh our availability feed every 30 minutes, so we catch new dates within half an hour of the operator publishing them.
Two reasons most often: (1) your date is outside the operator's current 2–3 week release window — check back, or email us to be notified when it opens. (2) the session sold out — Klementinum tours cap at around 15 visitors per session, and English-language sessions can sell out 7–10 days ahead in peak summer. We can suggest a Czech-language session at the same time slot if you don't mind the language; the building, the route, and the upper-terrace views are identical.
All sales are final. The one exception: in the rare event we are unable to secure your tickets from the operator, a full refund is issued within 24 hours. Once your booking is confirmed, changes to date or time follow our rebooking terms.
Yes. We rebook your visit to any open slot in the operator's calendar. Submit your request at least 48 hours before your original time slot. The concierge team coordinates directly with the Klementinum to find availability that suits your revised schedule.
Confirmed within 2 hours during business hours. You receive a confirmation email with your visit details and entry instructions. Tickets are digital, instant, by email. Check your inbox and spam folder; contact the concierge team immediately if nothing arrives within the window.
The main entrance is on Mariánské náměstí. Arrive ten minutes early. Your confirmation email includes the exact address, a map pin, and instructions for locating the guide. The tour departs on time; late arrivals cannot join mid-visit due to security protocols.
Your concierge tier covers the standard Baroque Library Hall + Astronomical Tower route. Your concierge tier covers entry, the guided route, and access to all public exhibition spaces. Photography rules and restrictions are explained at the start of your visit.
The historic structure includes narrow staircases and uneven surfaces. Contact the concierge team before booking if you require mobility accommodations; we coordinate with the operator to clarify which sections you can access and arrange assistance where possible.
Children are welcome. The tour involves climbing stairs and listening to detailed historical commentary, so families with very young children should assess whether the format suits their group. Strollers cannot be used inside; carriers are recommended for infants.
Photography rules are announced at the beginning of your visit. Some rooms permit non-flash personal photos; others prohibit all photography to protect rare manuscripts and instruments. Respect the guide's instructions and posted signage throughout the tour.
The Klementinum is an indoor attraction. Rain, wind, and cold do not affect your visit. Dress comfortably for interior temperatures; the historic building may feel cooler than modern spaces, especially in winter months.
The standard tour lasts 50 minutes. Plan for the full duration plus travel time to and from your accommodation. The tour follows a set route and pace; you cannot leave early and re-enter. Arrive rested and ready to climb stairs and absorb detailed historical context.
No. Your ticket is digital, instant, by email. Show the confirmation on your phone at the meeting point. Ensure your device is charged and the screen brightness is high enough for the staff to scan or read your booking reference quickly.
For parties larger than the standard capacity, contact the concierge team before booking. We coordinate with the operator to arrange private slots or split your group across consecutive time windows, ensuring everyone experiences the tour without crowding.
Bring your phone with the confirmation email, a valid ID, comfortable shoes for climbing stairs, and a light jacket if visiting in cooler months. Leave large bags at your hotel; the Klementinum does not offer locker storage. Water bottles are permitted but must remain capped inside exhibition halls.
Confirm language availability in your confirmation email. If you require a specific language, note your preference during checkout; the concierge team requests it from the operator. Not all languages are available at every time slot.
You cannot join the tour after departure. The route is timed, and the group moves through secured spaces that lock behind the guide. Arrive ten minutes early to check in, use restrooms, and gather with your group. Late arrivals forfeit their visit with no refund or rebooking.