Mayak () is a rural locality (a selo) and the administrative center of Mayaksky Selsoviet, Charyshsky District, Altai Krai, Russia. The population was 455 as of 2013.Численность населения по муниципальным образованиям на 1 января 2011, 2012, 2013 гг. (в том числе по населённым пунктам) по данным текущего учёта It was founded in 1890. There are 8 streets.
Geography Mayak is located 49 km north of Charyshskoye (the district's administrative centre) by road. Pervomaysky is the nearest rural locality.Расстояние от Маяка до Чарышского
References