River Voidomatis is in Ioannina.

Voidomatis originates from the village of Vikos and after crossing the Vikos gorge ends at Aoos river. It is considered to be one of the cleanest rivers in Greece, as it is inside the national park.

Vouraikos' river morphology, spectacular natural beauty and arched stone bridges, make him one of the most favorite destinations for rafting and canoeing.