Ust-Ilga () is a rural locality in Zhigalovsky District of Irkutsk Oblast, Russia. Population:
Geography The village is about north of Zhigalovo, the district administrative center. It lies on the left bank of the Ilga river near its confluence with the Lena.Google Maps
See also Lena-Angara Plateau
References
External links Zhigalovsky District - General Information (in Russian)