The paper deals with geophysical reseach in the middle Svratka river valley, Junácká louka-Obora site near the Brno dam. The longtime investigations cover development phases of the Svratka river. This part is focused on spatial limitation of a tectonically conditioned depression with Ottnangian sediments. We used ground penetrating radar and vertical electrical sounding for survey, advanced GPR processing and analysis in geographic information system