The Jan Długosz chronicler attributed the rise of the castle in Rawa to king Kazimierz the Great, but according to the most convincing studies of historians, the castle can be connected with the person of Mazovian prince Siemowit IV and the end of the fourteenth century. The castle was a defense point of Duchy of Czersk, then of Płock, in the years 1455-1462 the seat of the independent Duchy of Rawa and from 1462 the province belonging to the Crown of the Kingdom of Poland. In 1507 a fire destroyed it, after which in the years 1509-1517 repair works were carried out. In the sixteenth century it was one of the most fortified Polish fortresses, and probably so-called quartz treasure was stored in it, that is, sums for the army.
In the first half of the 17th century castle was neglected and further destroyed during the Swedish invasion. In 1789 Franciszek Lanckoroński tried to save the ruined fortress, but it was discontinued due to the partition of Poland. The Prussians dismantled part of the building, and from the materials they built houses in the city. In 1820, after the creation of the Kingdom of Poland, only the tower remained.
The castle was erected on a regular quadrangle of 64×66 meters. A large prince’s palace was located along the northern curtain. It was one storey, one-bay, with five rooms in the ground floor. In south-west corner of the walls the octagonal main tower was located. In the 16th century it was raised and adapted to use artillery. On the axis of the southern curtain was a four-sided, three-storey gaehouse, preceded by a later expanded foregate. A large courtyard was surrounded by wooden buildings and a second brick house in the south-east corner. The whole was surrounded by a defensive moat.
At present, the main tower of the castle has been preserved and the corner fragment of the peripheral walls with roofed, reconstructed, wooden guard porches on it. From the rest of the walls and the main house remained only foundations. In the tower there is a small exhibition devoted to the history of the city and the fortress. However, it is only available during the summer months or with the permission of the management of the Museum of the Rawa Land.
Leksykon zamków w Polsce, L.Kajzer, S.Kołodziejski, J.Salm, Warszawa 2003.