Geophysical researches were carried out on an archaeological site of the Bronze Age in the Southern Ural Mountains of Russia. This paper presents the results of the detailed magnetic survey of the fortified settlements Olgino and Konopljanka. As a result of survey maps of an anomalous magnetic field were created where following features were allocated: the wall with a ditch, remains of walls of separate dwelling, the furnace and economic pits. A qualitative and quantitative interpretations of the magnetic anomalies inside the settlements were made, the results has allowed pointing out the individual elements of the fortifications and outbuildings.