The Siamoszyce water reservoir is located in the commune of Kroczyce, in the district of Zawiecie. The reservoir was built on the Krztynia river flowing near the village. It is a flow-through reservoir of an area of 20 hectares, situated picturesquely between high banks and a sandy beach. The reservoir, is a popular recreation destination among the inhabitants of Zawiercie. There is a resort on its bank.