Restoration of Rudava river is one of the main goals of the interreg project in Slovakia. Restoration will present unique activity, which was never been realized in such extend in Slovakia. Preparatory phase is most crucial for the success of the project. Consist of gathering of various documentations and hydrological data, measurements in the field and follow up calculations and planning. In cooperation with experts from Water research institute and Slovak technical University Bratislava, we propose measurements which will ensure the restoration of natural riverbed, on sections where it was in the past regulated to an artificial straighten concrete riverbed.