The Osoblaha river is the largest watercourse and is has a significant influence on shaping the water relations of the municipality. The length of the river in the municipality area is 29 km. Its water purity levels reach the 3rd class (in the five degree classification). The Osoblaha river flows from the Czech Republic into the area of the municipality of G?ogówek in Rac?awice ?l?skie. It flows through charming places of the proglacial stream valley overgrown with forests and meadows, as well as places developed by humans. It is possible to organise kayaking (own kayaking equipment required), providing participants with an opportunity for remarkable sporting and aesthetic experiences. In the river the following fish species occur: roach, perch, European white fish, carp, pike, trout and others. Their occurrence here may be of some interest for angling enthusiasts.