Summary:

Rivers and mountain streams are dynamic fluvial systems, which are constantly changing through the space. Especially rivers and streams, located in Southern Poland, are characterized by a tendency to deepen its bed, as well as to change its position in the plan. This is due to the landform and frequent occurrence of floods, which cause the movement of the material forming the bed cover. The evaluation of a series of flow parameters should be done to determine the hydromorphological balance (Bartnik and Florek 200). The hydromorphological balance of riverbed is a condition when the same amount of bed load is drained down by watercourse that was delivered to the cross - section of the valley. The aim of the paper is the analysis of the hydromorphological equilibrium conditions and description of the dominant morphological processes occurring in the bed of the river. The KamienicaNawojowska River is a braided river (in the upper part),in the lower part it is regulated. This river marks the boundary between the Beskid Niski, located to the north-east of it, and the Beskid Sądecki, located to the south-west side of the river. The Kamienica Nawojowska River enters the Dunajec River as a right tributary. It is a typical mountain river, characterized by sudden spates after heavy rain causing flood risk.