Middle Sudetes

Underground City of Osówka

Underground City of Osówka – an underground network of tunnels and rooms from the Second World War, one of the secrets of the Riese complex.

Price list

  • Historical Route
  • normal
    30 7person
  • Reduced
    24 5.6person
  • Extreme route
  • admission
    35 8.2person
  • the ticket price includes a guided tour
  • it is not possible to visit the property with children up to 5 years old
  • reduced ticket is available to pupils, students, pensioners

Opening hours / opening dates

  • Historical route
  • Monday, Wednesday, Friday, Sunday
  • Tuesday, Thursday, Saturday
  • Extreme route
  • Monday, Wednesday, Friday,Sunday
  • Tuesday, Thursday, Saturday
  • tickets can be purchased up to 15 minutes before closing
  • the guide enters the underground 40 minutes after the arrival of the first person.
  • in the case of heavy tourist traffic, the waiting time may be longer


  • Osówka is the longest accessible complex of the “Riese” (Giant) project, built during World War II in the Owl Mountains
  • work began in mid-1943, a huge system of concrete corridors, fortifications and halls was created.
  • the purpose of the work is a mystery that has not been resolved to this day. According to some, it was supposed to be the secret headquarters of Adolf Hitler. Others claim that halls were built for underground armaments factories for the production of new weapons.
  • workers and prisoners from the Gross-Rosen concentration camp were used for work.
  • the route is located several floors underground and is 1200 m long
  • you overcome the extreme route by the light of flashlights
  • the length of the extreme route is 1500 m, visiting this route will take you about 70 minutes
  • the extreme route is designed for children from 8 years old and only under the care of parents
  • take warm clothes and waterproof shoes or shoes for a change, underground at a temperature of 8 ° C you will stay about 1 h
  • some of the footbridges are under water, you will also sail a holey boat in which water accumulates
  • if you are intrigued by the mystery of the Underground City, be sure to visit the Włodarz Complex, the Rzeczka complex and the underground of Książ Castle.
  • see other underground attractions of Lower Silesia

Frequently asked questions

Complex Riese - Osówka

The underground city consists of m.in guardhouses, a technical corridor and a hall with a height of 10 meters.

Osówka - Underground City

The Underground City of Osówka is one of the 7 facilities of the Riese complex.


The purpose of the Riese project is still a mystery to this day.

Underground City of Osówka

In the basement there is a low temperature all year round.

Underground City

Underground City of Osówka in the Owl Mountains.

Underground City of Osówka

The total length of the tunnels in the Osówka complex is about 2000 meters.

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