📜 Explore Prague's historic Klementinum complex, home to the Baroque Library Hall and Astronomical Tower. 🔍 Adorned with frescoes on science and art, housing 27,000 theological volumes, and discover astronomical instruments with panoramic city views. # Why Go 🏰 Step into the former Jesuit College Klementinum, Prague's second-largest complex. ✨ Marvel at the Baroque Library, often called the most beautiful library hall in the world, housing 27,000 volumes and stunning frescoes. 🌌 Visit the Meridian Hall, a former camera obscura, showcasing historical astronomical instruments and used to determine true noon. 🏙️ Ascend the 68m Astronomical Tower to its observation deck for unparalleled panoramic views of Prague and Prague Castle. 🔭 Learn about centuries of astronomical and meteorological measurements, continuously recorded since 1775. # Why Avoid 🚫 Visitors can only view the Baroque Library Hall, not enter, due to preservation. ⚠️ Be prepared to climb 172 stairs to the Astronomical Tower; there is no elevator available, making the tour not barrier-free and not wheelchair accessible. 🚫 This specific tour is not accessible with a one-day ticket to the National Library or a reader's card. # Cost 💰 Basic adult admission is 380 CZK (Kč), with reduced rates for juniors (6-15), seniors (65+), youth (16-26), families, and ZTP cardholders. 🎟️ Purchase tickets conveniently online or at the ticket office under the Astronomical Tower. ✔️ Advance ticket purchase is recommended due to high interest and limited capacity (max 20 people per tour). 👨‍👩‍👧‍👦 Morning discounts are available, and the activity is free with a Prague Visitor Pass. # Hours 🗓️ Open daily from 9:00 AM to 7:00 PM (January-March, October-December) and 9:00 AM to 8:00 PM (April-September). ⏰ Regular guided tours are available at 9:00 AM, 12:00 PM, 3:00 PM, and 6:00 PM. # Getting There 🚇 Nearest public transport stops include Staroměstská (Metro, Tram) and Mariánské náměstí (Bus). # Managed By 🏛️ The guided tour is expertly provided by Prague City Tourism in cooperation with the National Library of the Czech Republic.