📜 Jihlava Underground, the second largest underground system in the Czech Republic, spanning 25 km beneath the city. A significant historical and technical monument. # Why Go 🚶 Explore three tour circuits: historical underground, collectors, and a 1970s civil defense shelter. ⛏️ Discover remains of medieval mining activity. ✨ Experience special evening lighting, expanded interpretation with legends, and an intimate experience in smaller groups during evening costumed tours with historical re-enactments. 👨‍👩‍👧‍👦 Enjoy traditional events for children, like "Hell in the Underground". # Why Avoid 🐾 No pets allowed on tours. 👶 Strollers not allowed in historical underground. ⚠️ Collectors tour requires sturdy shoes and suitable clothing (temperature 10-12°C). 🚫 Some tours have minimum age requirements (6 or 10 years). # Tips 🗓️ Book collectors tour at least 48 hours in advance. 📞 Groups over 10 can book off-season tours by phone. 🎟️ Limited capacity, online reservation recommended for popular tours. 🌙 Evening tours are typically offered during main season, for example, June-August on Wednesdays and Fridays from 19:00-21:00, but hours vary. # Cost 💰 Adults 100-200 Kč depending on tour, with discounts for children, students, and seniors. Special thematic evenings may have higher prices. # Hours 🕒 Daily during main season (April-October), hours vary. Off-season (Nov, Dec, Feb, Mar) by phone order for groups over 10. Closed in January.