Pededze
Introduction The '''Pededze''' () is a river in Latvia and Estonia. It has a length of , of which 131 km flow through Latvia. It flows in a generally southern direction. It is a right tributary of the Aiviekste, and the source of the Pededze is Lake Kirikumäe in the Haanja Uplands in Vastseliina Parish, Võru County, Estonia. The basin area of the Pededze is 1,690 km2 (1,523.3 km2 in Latvia; 119 km2 in Estonia), and its average discharge is 12.2 m³/s. The Pededze, together with the Aiviekste, forms the natural and historical border between Vidzeme and Latgale.
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