Pyatkov Log () is a rural locality (a selo) and the administrative center of Pyatkovlogovsky Selsoviet of Volchikhinsky District, Altai Krai, Russia. The population was 350 as of 2016. It was founded in 1920. There are 2 streets.
Geography Pyatkov Log is located 39 km north of Volchikha (the district's administrative centre) by road. Komintern is the nearest rural locality.Расстояние от Пяткова Лога до Волчихи
Ethnicity The village is inhabited by Ukrainians and others.
References