Average width of the river - 120 m., depth - 0.5 m, water volume flow - 23,0 m3/sec. (low volume is ca. 8.0 m3/sec). The water current is medium or slow. Eligible fish: brown trout - 30%, grayling - 70%, huchen < 1%. Associated species: chub, dace and ide. The sector is from the village Postołów to the village Manasterzec. The practice waters are located below the sector. Aquatic vegetation flourishes abundantly in many parts of the river, but doesn't hinder fly fishing.