Fort główny artyleryjski 51 "Rajsko"

Fort Rajsko is a concrete military structure positioned on a hilltop at 349 meters above sea level with walls measuring 2 meters thick and vaulted ammunition storage chambers. The facility was built as part of a larger ring of fortifications surrounding Krakow during the late 19th century.

Built between 1881 and 1884, the fort became an active defensive position during World War I when Russian forces attacked in December 1914. This combat experience marked a significant moment in the structure's function as a working military installation.

The fort demonstrates military engineering standards from the Austro-Hungarian era and shows how 19th-century Krakow was planned as a fortified city. Walking around it today, you can see how such structures once shaped the city's defensive strategy.

The fort is accessible from Droga Rokadowa Street where you can view the exterior structure and surrounding area. Interior entry is not allowed at present due to ongoing restoration work and structural safety requirements.

A 1909 explosion at the adjacent Wola Duchacka powder magazine caused severe damage and physically split the structure into two distinct sections. This accident revealed the dangers surrounding ammunition storage in such fortifications and left permanent marks on the building.