Pededze

The Pededze (Estonian: Pedetsi jõgi) is a river in Latvia and Estonia. It has a length of 159 km (99 mi), 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),^[1] and its average discharge is 12.2 m³/s.^[2] The Pededze, together with the Aiviekste, forms the natural and historical border between Vidzeme and Latgale.

Pededze
The Pededze near Litene
Native name	Pedetsi jõgi (Estonian)
Location
Countries	Latvia Estonia Russia
Physical characteristics
Source
• location	Lake Kirikumäe
• coordinates	57°40′59″N 27°15′2″E
• elevation	108 m (354 ft)
Mouth	Aiviekste
• coordinates	56.9372°N 26.8991°E / 56.9372; 26.8991
Length	159 km (99 mi)
Basin size	1,690 km2 (650 sq mi)
Discharge
• average	12.2 m3/s (430 cu ft/s)
Basin features
Progression	Aiviekste→ Daugava→ Baltic Sea