The Deba River (Basque: Deba ibaia; Spanish: río Deva) is a river in the Basque Country, Spain. It rises in Arlaban, into Araba province lands, and flows into the Atlantic Ocean, in the Bay of Biscay, in Deba, Gipuzkoa.

Deba River
The Deba River as seen from Elgoibar
Map
Location
CountrySpain
StateBasque Country
Physical characteristics
Mouth 
 • coordinates
43°17′59″N 2°21′19″W / 43.29972°N 2.35528°W / 43.29972; -2.35528
Length58 km (36 mi)
Discharge 
 • average13.4 m3/s (470 cu ft/s)
Basin features
Tributaries 
 • leftAngiozar River, Aramaio River, Aranerreka River, Kilimon River, Ego River
 • rightOñate River