Exploring Brno Underground Attractions: A Guide to the Hidden City
Brno is the second largest city in the Czech Republic. It has a very rich history. Many people only see the surface of the city. However, the real magic happens underground. Exploring Brno underground attractions reveals a world of mystery and history. You can find bone-filled ossuaries and secret nuclear bunkers. This guide helps you navigate these mysterious subterranean spaces easily. Start your 2026 adventure by heading deep below the cobblestone streets.
- Best overall: Labyrinth under the Vegetable Market
- Best for history: 10-Z Bunker
- Best for families: Punkva Caves
- Best free/budget: Špilberk Casemates (external views)
Top Underground Sites in Brno Center
The city center holds the most famous tunnels. These sites are very close to each other. You can easily walk between them in a single afternoon. Most require a ticket, so book ahead if possible. Exploring Brno underground attractions starts right here in the historic core.
The tunnels serve different purposes throughout history. Some were for food storage. Others were for safety during wars. Today, they are open for you to discover. Use the DPMB public transport to reach the center quickly.
- Name: Labyrinth under the Vegetable Market Type: sight Why go: This is a massive network of medieval cellars and tunnels. It sits right beneath the bustling Zelný trh market area. You can see how people stored food and wine centuries ago. It even includes an old pillory and a laboratory. Best for: History lovers and families. Where: Zelný trh square. Time: 60 minutes. Cost: Moderate (check ticket prices for updates). Getting there: Walk from the main train station. Tip: Wear a jacket because it is cold even in summer.
- Name: Ossuary at St. James Church Type: sight Why go: This is the second-largest ossuary in Europe. It holds the remains of over 50,000 people. The atmosphere is very quiet and respectful. It is a unique way to see the city's past. Best for: Those interested in unique and dark history. Where: Jakubské náměstí. Time: 30-45 minutes. Cost: Affordable. Getting there: A short walk from Freedom Square. Tip: Read more to see if it is worth visiting for your group.
- Name: 10-Z Bunker Type: experience Why go: This was a top-secret nuclear shelter. It was built to protect the city's elite during the Cold War. You can walk through the heavy doors and see the old machinery. There is even a period-style milk bar inside. Best for: Cold War history fans and tech geeks. Where: Husova street, under Špilberk hill. Time: 60-90 minutes. Cost: Moderate (check current tour prices). Getting there: Walk from the city center or take a tram to Šilingrovo náměstí. Tip: Stay for a drink at one of the secret bars nearby after your tour.
Spiritual and Historical Subterranean Spots
Some underground spots have a more spiritual feel. Others show the civic life of old Brno. These locations often have fascinating legends and quirky stories attached to them. They offer a quieter experience than the main tourist hubs.
The architecture in these spots is often stunning. You will see old stone arches and brickwork. These sites are perfect for photographers. They capture the moody side of Moravia perfectly.
- Name: Capuchin Crypt Type: sight Why go: This crypt contains the naturally mummified bodies of Capuchin monks. The air circulation in the basement preserved them perfectly. It is a very somber and powerful site. You can see the monks resting in their simple robes. Best for: History enthusiasts. Where: Kapucínské náměstí. Time: 30-45 minutes. Cost: Low. Getting there: Located right next to the Vegetable Market. Tip: Photography is allowed but be very respectful of the site.
- Name: Mint Master’s Cellar Type: sight Why go: This cellar shows how coins were made in the Middle Ages. It is located under the Dominican Square. You can see old minting tools and learn about local currency. It is a great look at the economic history of the region. Best for: Education and families. Where: Dominikánské náměstí. Time: 45 minutes. Cost: Affordable. Getting there: Walk from the New Town Hall. Tip: This is a great rainy-day activity because it is fully indoors.
- Name: New Town Hall Underground Type: sight Why go: These cellars are part of the city's administrative history. They often host art exhibitions or special events. The architecture is a mix of different historical periods. It is less crowded than the Labyrinth. Best for: Art lovers and quiet explorers. Where: Dominikánské náměstí. Time: 30-45 minutes. Cost: Low. Getting there: Located in the heart of the city. Tip: Check the local calendar for temporary art shows in these spaces.
Massive Underground Structures and Reservoirs
Brno is home to some massive engineering feats. These are not just small cellars. They are huge chambers that look like cathedrals. Exploring Brno underground attractions must include these grand spaces. They show the power and growth of the city.
You will need a bit more time for these. They are slightly outside the immediate center. However, the visual impact is worth the extra travel. Visit the official tourism portal for the latest opening times.
- Name: Water Reservoirs on Žlutý kopec Type: sight Why go: These are massive brick reservoirs that once held the city's water. They look like underground cathedrals with high ceilings and pillars. They are incredibly photogenic and atmospheric. Many people call them the most beautiful underground spot in Europe. Best for: Photographers and architecture fans. Where: Žlutý kopec (Yellow Hill). Time: 60 minutes. Cost: Moderate. Getting there: Take a bus or tram from the center to Tvrdého stop. Tip: Tickets sell out weeks in advance, so book early online.
- Name: Špilberk Castle Casemates Type: sight Why go: These are the dark, damp corridors inside the castle walls. They were used as a prison for the most dangerous criminals. You can see the old cells and torture chambers. It is a very dramatic and slightly scary experience. Best for: Thrill-seekers and history buffs. Where: Špilberk Castle. Time: 60 minutes. Cost: Moderate. Getting there: Walk up the hill from Husova street. Tip: Combine this with a walk in the castle gardens for great city views.
Day Trips for Exploring Brno Underground Attractions
If you have more time, leave the city. The surrounding area has amazing natural caves. These are part of the Moravian Karst region. It is one of the best places for exploring nature in Czechia. These trips take a full day but are very rewarding.
The caves offer a different kind of underground experience. Instead of bricks, you see stalactites and rivers. Always check the weather before heading out. Most caves are open year-round but can be very wet.
- Name: Punkva Caves Type: day trip Why go: These are the most popular caves in the country. You get to take a boat ride on an underground river. You also see the bottom of the famous Macocha Abyss. The rock formations are stunning and very old. Best for: Families and nature lovers. Where: Blansko region (Moravian Karst). Time: 4-6 hours (including travel). Cost: High (includes transport and entry). Getting there: Take a train to Blansko and then a local bus. Tip: You must book boat tour tickets months in advance during summer.
- Name: Výpustek Cave Type: day trip Why go: This cave has a unique history. It was used as a secret military command post. It combines natural cave beauty with a heavy Cold War bunker. You can see the living quarters and communication rooms. Best for: Military history fans. Where: Near the village of Křtiny. Time: 4-5 hours. Cost: Moderate. Getting there: Best reached by car or a specific bus from Brno. Tip: The cave is very large, so wear comfortable walking shoes.
Frequently Asked Questions
Is exploring Brno underground attractions safe for kids?
Yes, most sites are very safe for children. The Labyrinth and Punkva Caves are especially popular with families. However, the Ossuary and Capuchin Crypt might be too intense for very young or sensitive children. Always check if a tour involves many steep stairs before booking.
Do I need to book tickets in advance for Brno underground sites?
It is highly recommended to book in advance. Sites like the Žlutý kopec Reservoirs and Punkva Caves often sell out weeks ahead. Smaller sites like the Mint Master’s Cellar usually have walk-in space. Booking online saves time and ensures you get the tour language you prefer.
What is the temperature like in the Brno underground?
The temperature is usually around 10 to 12 degrees Celsius (50-54°F). This is true even during the hot summer months. You should always bring a light jacket or sweater. The humidity can also make it feel slightly cooler than it actually is.
Exploring Brno underground attractions offers a unique perspective on this Moravian gem. From the haunting beauty of the Ossuary to the massive scale of the water reservoirs, there is something for everyone. Make sure to plan your route to include a mix of central and outer sites. After your underground tour, consider visiting some local favorites in Brno to relax. Whether you love history, nature, or architecture, Brno's depths will not disappoint you. Book your tickets today and prepare for a subterranean adventure!
Official resources
Use these sources for official schedules, tickets, routes, and updates.
- Go To Brno — Official tourism portal; unverified source.
- City of Brno — Official municipal portal; unverified source.
- UNESCO World Heritage - Villa Tugendhat — International heritage designation; unverified source.
- Lonely Planet Brno — Major editorial travel guide; unverified source.
- Visit Czechia — National tourism board; unverified source.
- Brno-Tuřany Airport — Official airport authority; unverified source.