Wrocław’s wartime secrets and architectural marvels collide in this captivating small-group tour. Delve beneath the surface to uncover the enigmatic Project Riese, a mysterious underground complex shrouded in mystery. Then, ascend to the magnificent Książ Castle, a meticulously preserved 13th-century fortress with over 400 rooms. Through the lens of a knowledgeable local guide, guests embark on a journey that seamlessly blends historical significance with the region’s breathtaking natural beauty. What lies in store for those who dare to uncover Wrocław’s hidden gems?
Key Points

- This tour explores the secret WWII site of Project Riese and the impressive Książ Castle in Poland.
- The tour is priced at SEK 1,312 per person for an 8.5-hour small-group experience with free cancellation.
- Highlights include visiting the underground town of Osówka, exploring the 400-room Książ Castle, and a scenic drive through the Polish countryside.
- The tour provides insights into a lesser-known chapter of WWII history and allows self-exploration of the sites using audioguides.
- The tour is not suitable for children under 5, individuals with mobility impairments, claustrophobia, or wheelchair users.
Tour Overview and Pricing

The tour offers an opportunity to explore the secret World War II site of Project Riese and the impressive Książ Castle, Poland’s third-largest castle.
Priced from SEK 1,312 per person, the 8.5-hour small-group tour includes free cancellation up to 24 hours in advance and the option to reserve now and pay later.
Priced from SEK 1,312 per person, the 8.5-hour small-group tour includes free cancellation and pay later option.
Visitors can learn about the mysterious Project Riese tunnels and tour the stunning 400-room Książ Castle using included audioguides.
The scenic drive through the Polish countryside and limited group size of 7 add to the experience’s exclusivity.
Comfortable attire and an adventurous spirit are recommended for this captivating historical journey.
Looking for more options in Gluszyca? We've reviewed plenty of other experiences.
Tour Highlights

Explore Project Riese, a secret WWII site with enigmatic Nazi tunnels, and visit Książ Castle, the third-largest castle in Poland boasting over 400 rooms, on this immersive 8.5-hour small-group tour.
Journey through the Polish countryside, guided by a local expert who shares the sites’ fascinating histories. Explore Project Riese’s underground town of Osówka, uncovering clues about its rumored purpose as Hitler’s headquarters or a secret weapons factory.
Then, self-explore Książ Castle’s grand interiors and beautiful gardens using an audioguide, learning about its storied past and notable guests.
Project Riese Details

Underground Town Osówka, part of the enigmatic Project Riese, serves as the site for this tour.
Visitors will explore this secretive WWII location, where construction began in mid-1943. Speculations about its purpose abound – was it intended as Hitler’s headquarters or for underground weapon factories?
The tour is guided by a local Polish guide, though audioguides are available for non-Polish speakers. The experience lasts approximately 1 hour and offers a glimpse into this historic underground complex:
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Uncover the mysteries of Project Riese’s construction and intended use.
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Marvel at the sheer scale of the underground tunnels and chambers.
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Imagine the covert activities that may have taken place here.
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Gain insights into this lesser-known chapter of WWII history.
Książ Castle Experience

Built in the 13th century, Książ Castle boasts a rich history connected to the prominent von Hochberg aristocratic family. Visitors use audioguides to learn about the castle’s history and notable guests, with a maximum visit duration of 2.5 hours. The castle’s beautiful gardens and terraces are only available between May and September, making it a seasonal attraction.
| History | Self-Exploration | Visit Duration |
| — | — | — |
| Built in 13th century | Audioguides available | Maximum 2.5 hours |
| Connected to von Hochberg family | Visitors learn about history and guests | Seasonal: May to September |
More Great Tours NearbyImportant Information
The driver will meet participants at the main entrance of Monopol Hotel to begin the tour.
All transportation, entry fees, and audioguides are included in the tour price.
However, the tour isn’t suitable for:
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Children under 5
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Individuals with mobility impairments
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Those with claustrophobia
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Wheelchair users
Participants are advised to wear comfortable shoes and clothing.
Pets and alcoholic drinks aren’t allowed in the vehicle.
This informative tour provides an immersive experience exploring the underground mysteries of Project Riese and the grandeur of Książ Castle.
Meeting Point and Transportation
The tour begins at the main entrance of the Monopol Hotel, where the driver will meet participants to start the journey.
All transportation fees and taxes are included, ensuring a hassle-free experience. Visitors will travel in a comfortable vehicle, allowing them to sit back and enjoy the scenic drive through the Polish countryside.
The tour provides access to exclusive sites, including the underground Project Riese and the renowned Książ Castle.
With tickets and audioguides included, the tour streamlines the logistics, enabling guests to focus on exploring these remarkable historical destinations.
Recommendations

Comfortable shoes and clothing are recommended for this tour, as visitors will be exploring the underground Project Riese site and walking through the expansive Książ Castle.
Pets and alcoholic drinks aren’t allowed in the tour vehicle, so participants should plan accordingly.
To make the most of the experience, the tour suggests:
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Bringing a water bottle and snacks, as there may be limited food options during the day.
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Wearing layers, as the underground tunnels can be cool.
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Leaving valuable items at home to avoid loss or theft.
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Familiarizing oneself with the tour itinerary and meeting point ahead of time.
Frequently Asked Questions

Is Photography Allowed at Project Riese and Książ Castle?
Photography is generally allowed at both Project Riese and Książ Castle, though there may be some restrictions. Visitors should check with their tour guides for specific photography policies during their visit.
Can I Bring My Own Food and Drinks on the Tour?
The tour doesn’t allow visitors to bring their own food and drinks. However, there are options to purchase refreshments at the sites. It’s recommended to pack snacks and water to enjoy during the scenic drive between destinations.
Are There Any Health or Physical Requirements for the Tour?
The tour isn’t suitable for children under 5, those with mobility issues, claustrophobia, or wheelchair users. Comfortable shoes and clothing are recommended, and pets and alcoholic drinks aren’t allowed in the vehicle.
What Is the Dress Code for the Tour?
The tour recommends visitors wear comfortable shoes and clothes. Pets and alcoholic drinks are not allowed on the vehicle. Dressing in layers is advised as the underground tunnels can be cool.
Can I Extend My Stay at Książ Castle on My Own After the Tour?
Yes, visitors can extend their stay at Książ Castle on their own after the tour. The castle offers self-exploration using audioguides, and visitors can spend up to 2.5 hours exploring the castle’s history and notable features.
The Sum Up
The "Wrocław: To Project Riese and Książ Castle Tour" offers a captivating exploration of Poland’s World War II history and architectural marvels. Guests embark on a small-group journey, delving into the enigmatic tunnels of Project Riese and marveling at the grandeur of Książ Castle. With a knowledgeable local guide, visitors enjoy scenic drives, audioguided self-exploration, and insights into the historical significance, ensuring an exclusive and comfortable experience.
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