ABSTRACT: This paper describes investigation of the stream-aquifer interaction on the south part of Hron basin area near towns Turá and Šárovce. The main goal of the study was to create hydraulic model of the area and with help of modelling tools to find out interaction latitude by various stream flows, influence of high flow s in the river on groundwater with spreading of the water in the ground during the time and also influence of riverbed dropdown on the groundwater.