Ust-Vaga () is a rural locality (a village) in Bereznikovskoye Rural Settlement of Vinogradovsky District, Arkhangelsk Oblast, Russia. The population was 199 as of 2010.Всероссийская перепись населения 2010 года. Численность по муниципальным образованиям и населенным пунктам Архангельской области

Geography Ust-Vaga is located on the Vaga River, 18 km southeast of Bereznik (the district's administrative centre) by road. Zaborye is the nearest rural locality.Расстояние от Березника до Усти-Ваги

References