The Hamerský potok originates in the territory of Horní Dubenky in the Javořice Highlands at an elevation of 757 m (2,484 ft) and flows to Jindřichův Hradec, where it enters the Nežárka River at an elevation of 455 m (1,493 ft). It is 46.3 km (28.8 mi) long. Its drainage basin has an area of 221.5 km2 (85.5 sq mi).[1] The average discharge at 11.6 river km in Blažejov is 1.33 m3/s (47 cu ft/s).[2]
The longest tributaries of the Hamerský potok are:[3]
The basin area is rich in fishponds. The largest of them is Krvavý rybník with an area of 118 ha (290 acres). Many of the fishponds are built directly on the Hamerský potok; the largest of them are Ratmírovský rybník with an area of 73 ha (180 acres) and Hejtman with an area of 65 ha (160 acres).[1] A significant pond is also Vajgar, located in the centre of Jindřichův Hradec near the stream's mouth. With an area of 49 ha (120 acres), it is one of the symbols of the town.[4]
Tourism
The lower course of the Hamerský potok is suitable for river tourism in autumn, when water is released from the fishpond Ratmírovský rybník. A paddling competition is held here every year.[5][6]