Top Hidden Gems and Secret Underground Tours in Olomouc

Olomouc has many layers of history. Some are high above the ground, like the church towers. Others are hidden beneath the cobblestone streets. Exploring these spots is a great way to avoid crowds. You will find ancient bones, cold war bunkers, and royal treasures.

The city is very walkable. Most underground sites are in the historic center. You can visit several spots in one afternoon. Here are some quick picks for your trip:

• Best overall: Saint Wenceslas Cathedral Crypt
• Best for families: Crown Fortress
• Best for history buffs: Civil Defense Shelter
• Best free sight: Holy Trinity Column

Exploring the Crypt Inside Saint Wenceslas Cathedral

The Saint Wenceslas Cathedral is a landmark you cannot miss. Its tall towers dominate the city skyline. However, the most interesting part is hidden below. The crypt is a place of peace and mystery. It holds the remains of important local figures from centuries ago.

1. Name: Saint Wenceslas Cathedral Crypt Type: sight Why go: It is the resting place of bishops and archbishops. The atmosphere is quiet and very spiritual. Best for: History lovers and quiet reflection. Where: Cathedral Hill (Václavské náměstí). Time: 30–45 minutes. Cost: Small entry fee; check for combined tickets. Getting there: Take tram 2, 3, 4, or 6 to the 'U Dómu' stop. Tip: Learn how to book Olomouc underground attraction tickets early during peak summer months.
2. Name: Town Hall Underground Tunnels Type: experience Why go: These tunnels show the city's old prison and storage areas. You see how people lived and worked in the Middle Ages. Best for: Adventure seekers. Where: Upper Square (Horní náměstí). Time: 1 hour. Cost: Moderate (includes a guided tour). Getting there: Walk to the center of the Upper Square. Tip: Tours are often seasonal, so check the schedule at the tourist office first.
3. Name: Civil Defense Shelter (Bezručovy sady) Type: experience Why go: This is a real Cold War bunker. It was built to protect the city from nuclear attacks. Best for: Fans of modern history. Where: Bezručovy sady park. Time: 1.5 hours. Cost: Moderate. Getting there: A short walk from the city center toward the city walls. Tip: It is very cold inside, so bring a sweater even in summer.

Beyond the Surface: Museums and Iconic Landmarks

Olomouc is more than just tunnels. The city has incredible museums and UNESCO sites. Many of these are located near the cathedral. You can easily combine a visit to the crypt with these other top attractions. This makes for a full day of exploring the city's rich culture.

1. Name: Olomouc Archdiocesan Museum Type: museum Why go: It houses a massive collection of religious art. You can see a famous golden carriage here. Best for: Art enthusiasts. Where: Next to Saint Wenceslas Cathedral. Time: 2 hours. Cost: Standard museum fee. Getting there: Walk from the cathedral entrance. Tip: Visit the Olomouc Museum of Art website for current exhibition details.
2. Name: Holy Trinity Column Chapel Type: sight Why go: This is a UNESCO World Heritage site. There is a tiny, beautiful chapel located inside the base of the column. Best for: Photographers and UNESCO collectors. Where: Upper Square. Time: 15 minutes. Cost: Free to view, small fee for chapel entry. Getting there: Located in the heart of the city center. Tip: The chapel has limited opening hours, usually in the afternoons.
3. Name: Crown Fortress (Korunní pevnůstka) Type: activity Why go: This former military site is now a park and museum. It is part of the extensive Olomouc fortress system. Best for: Families and science fans. Where: Near the city center. Time: 2–3 hours. Cost: Free to enter the grounds; museum costs vary. Getting there: Walkable from the main square or take tram 1 or 7. Tip: Check out the 'Museum of Knowledge' located inside the fortress.
4. Name: Church of St. Maurice Tower Type: viewpoint Why go: It offers the best 360-degree view of the city. You can also see the famous giant organ inside. Best for: View seekers. Where: Near the Upper Square. Time: 45 minutes. Cost: Small donation suggested for the tower. Getting there: Walk two minutes from the Town Hall. Tip: The stairs are narrow and steep, so wear comfortable shoes.
5. Name: Svatý Kopeček (The Holy Hill) Type: day trip Why go: It features a stunning Baroque basilica on a hill. The views of the surrounding countryside are amazing. Best for: Nature and architecture lovers. Where: 8 km from the city center. Time: 3–4 hours. Cost: Free to visit the area; bus fare needed. Getting there: Take bus number 11 from the main train station. Tip: There is a zoo nearby if you are traveling with children.
6. Name: Bouzov Castle Type: day trip Why go: It looks like a fairytale castle. It is one of the most famous castles in the Czech Republic. Best for: Families and romantic outings. Where: 30 km from Olomouc. Time: Half-day trip. Cost: Entrance fee for guided tours. Getting there: Best reached by car or a local bus tour. Tip: Book your tour in advance as it is very popular on weekends.

Planning Your Visit to Olomouc in 2026

Olomouc is a great destination for 2026. The city is becoming more popular but remains affordable. Most sites are open year-round. However, some underground tours only run from April to October. Always check the official city website for the latest schedules.

Public transport is very efficient. Trams and buses can take you almost anywhere. You can buy tickets at yellow machines or via mobile apps. Many people also find an alternative guide to Olomouc helpful for finding local cafes. This helps you experience the city like a local resident.