In the village of Malá Mača, the Gidra stream, which springs in the Little Carpathians after 38 kilometers of pilgrimage, flows as a right tributary to Dolný Dudváh.
In the village of Malá Mača, the Gidra stream, which springs in the Little Carpathians after 38 kilometers of pilgrimage, flows as a right tributary to Dolný Dudváh.