Usora (river)

Usora (Serbian Cyrillic: Усора) is a river in central-northern Bosnia and Herzegovina. It begins at the confluence of two smaller Usora rivers, Mala Usora and Velika Usora, at the town of Teslić. Usora runs for some 20 km northeast of Teslić, and becomes a left tributary of the Bosna River, south of Doboj. Its total length (including Velika Usora) is 77.0 km (47.8 mi).^[1]

Usora
Location
Country	Bosnia and Herzegovina
Physical characteristics
Source
• elevation	880 m (2,890 ft)[1]
Mouth
• location	Bosna
• coordinates	44.7055°N 18.0691°E / 44.7055; 18.0691
• elevation	145 m (476 ft)[1]
Length	77.0 km (47.8 mi)[1]
Basin features
Progression	Bosna→ Sava→ Danube→ Black Sea