Best caves around Walim are primarily associated with the historical Project Riese, an extensive underground complex located in the Owl Mountains. This region in Lower Silesia, Poland, features a landscape shaped by both natural geology and significant historical construction. The area is characterized by its mountainous terrain and the presence of these unique man-made underground structures. Walim offers a distinct exploration experience, blending historical intrigue with the natural environment.
Last updated: June 5, 2026
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Popular around Walim
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A huge system of concrete corridors, fortifications and halls. The purpose of the works was kept secret. According to some, it was supposed to be Adolf Hitler's secret headquarters. Others claim that halls were built for underground armament factories to produce secret weapons. The complex is currently open to the public. On free weekends, you can meet crowds of people there. Tickets can be purchased in the parking lot, 300 meters south of the entrance and 500 meters from the exit.
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During our last visit, the underground was not open to the public. Caution: When you go to a given place, check if there are any restrictions.
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In memory of the victims, you can also take a tour with Audiogyde here. Very interesting.
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a part of the RISE complex is worth seeing
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One of the fragments of the Riese complex available for visiting. What is especially remembered are the drawings of prisoners of the concentration camp created for the construction purposes. It is a pity that the tunnels are surrounded by a sensational aura and a little forgotten that it was really a German Nazi concentration camp. Tens of thousands of people died while building these tunnels. https://sztolnie.pl/
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The underground complexes around Walim, such as the Walimskie Drifts (Rzeczka Complex), are part of the mysterious "Project Riese" (Giant), an extensive underground military complex constructed by Nazi Germany during World War II in the Owl Mountains. Their ultimate purpose remains a subject of speculation, ranging from armament factories to a quarter for the Third Reich's High Command. These sites are also places of remembrance, as thousands of forced laborers, primarily prisoners from the Gross-Rosen concentration camp, perished during their construction.
The primary "caves" around Walim, including the Walimskie Drifts and other Project Riese complexes, are not natural caves. They are extensive man-made underground military complexes and tunnels constructed during World War II.
Several Project Riese complexes are open to the public near Walim. You can visit Osówka Underground City, which features a vast system of concrete corridors and halls. Another option is the Gontowa Complex – Entrance to the Tunnels, where visitors can explore adits stretching about 200 meters deep. Additionally, the Riese WWII tunnel complex offers tours with an audioguide, focusing on the historical context and the victims of its construction.
Inside the Project Riese complexes, visitors can explore systems of tunnels, chambers, and unfinished concrete structures. For example, the Walimskie Drifts feature multimedia effects imitating a bombing raid and depicting the inhumane working conditions. Many sites also display historical artifacts, such as a 1:1 scale model of a V2 rocket and a V1 flying bomb, along with exhibitions providing historical context about the project and the forced laborers.
The internal temperature inside the underground complexes typically remains around 5-6°C (41-43°F) with high humidity (90-98%). It is strongly recommended to wear warm clothing, even in summer, and comfortable, sturdy shoes suitable for walking on uneven surfaces.
Some parts of the underground complexes, such as the Walimskie Drifts, are accessible for people with physical disabilities by prior appointment. It is advisable to check with the specific complex you plan to visit regarding their accessibility options and to arrange any necessary accommodations in advance.
The duration of a visit can vary depending on the specific complex and the tour offered. For instance, the Walimskie Drifts feature an underground portion approximately 500 meters long. Most guided tours last between 1 to 1.5 hours, providing enough time to explore the main sections and learn about their history.
Yes, parking is generally available near the entrances to the Project Riese complexes. For example, at Osówka Underground City, tickets can be purchased in a parking lot located 300 meters south of the entrance.
The underground complexes maintain a consistent cool temperature year-round, making them suitable for visits in any season. However, visiting during spring or autumn might be more pleasant for exploring the surrounding Owl Mountains and the outdoor exhibitions, as the weather is generally milder than in summer or winter.
Yes, many of the Project Riese complexes offer an educational and intriguing experience for families. The historical context and unique underground environment can be captivating for children. Some sites, like the Walimskie Drifts, use multimedia effects that can enhance the experience. However, due to the historical significance and somber aspects, parental discretion is advised for very young children.
The region around Walim offers various outdoor activities. You can explore numerous gravel biking routes, including challenging loops like the Dworzysko Stud Farm – Anna Tower loop. There are also many running trails, such as the moderate Chapel on Wielka Sowa loop. For mountain biking enthusiasts, MTB trails like the "Red Walim" route offer diverse terrain.
While Walim is primarily known for its man-made Project Riese complexes, the broader Lower Silesia region does feature some natural caves, such as the Radochowska Cave. However, these are not directly within Walim itself. The Owl Mountains offer extensive hiking opportunities, but the underground attractions in Walim are historical tunnels rather than natural caverns.
Visitors often appreciate the unique historical insight into World War II and Project Riese. The sheer scale of the underground constructions, the mysterious purpose, and the somber remembrance of the forced laborers leave a lasting impression. Many find the multimedia presentations and the opportunity to explore these significant historical sites to be a compelling experience.


Extend your search for the best caves by checking out these guides of the top ones around Walim: