Bolshoi Oiu

Bol’shoi Oiu

 

a river in Arkhangel’sk Oblast, in the RSFSR. It is 175 km long and has a basin of 3,070 sq km. It rises on the northwestern slopes of the Pai-Khoi mountain range and flows into the Gulf of Iugorskii Shar. It is fed by snow and rain.