In addition to providing subsistence and consumable resources, one of the most important features of water is the ability to provide transport and communication between geographically separated areas. In both uses, vehicles play a key role. While current research into boats and ships on the seas is relatively well recognised, recent results in the area of inland waterways seem to be barely taken into account in current investigations. Too foten scientist have to rely on an otdate state of research, but in fact several findings have laterl been re-edited and presented. This article provides an updated look at the subject of inland navigation in the Early and Hig Middle Ages and focuses especially on current pbuliactions or those that are difficult to obtain. Further, an overview on the state of research in neighbouring countries is offered, thereby presenting a fuller view of the subject´s potentional., Lars Kröger., and Obsahuje seznam literatury