Kuyacha () is a rural locality (a selo) and the administrative center of Kuyachinsky Selsoviet, Altaysky District, Altai Krai, Russia. The population was 465 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 There are 6 streets.
Geography Kuyacha is located 63 km southwest of Altayskoye (the district's administrative centre) by road. Kuyagan is the nearest rural locality.Расстояние от Куячи до Алтайского
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