Seybouse River

Seybouse
The Seybouse in Guelma Province, Algeria
The Seybouse catchment area
Native nameوادي سيبوس (Arabic)
Location
CountryAlgeria
Physical characteristics
Source 
 • locationMedjez Amar, Tell Atlas Algeria
Mouth 
 • location
Mediterranean Sea, near Annaba, Algeria
 • coordinates
36°52′05″N 7°46′27″E / 36.8681°N 7.7741°E / 36.8681; 7.7741
 • elevation
0 m (0 ft)
Length225 km (140 mi)
Basin size6,471 km2 (2,498 sq mi)
Discharge 
 • average11.5 m3/s (410 cu ft/s) at Guelma and Annaba

Seybouse (in Algerian Arabic: وادي سيبوس, romanized: Oued Seybouse) is a river in northeastern Algeria, near the border with Tunisia. In Roman times, it was called the Ubus.