Arangastakh (; , Araà Âastaax) is a rural locality (a selo), one of two settlements, in addition to Kyunyade, the administrative centre of the Rural Okrug, in Kyundyadinsky Rural Okrug of Nyurbinsky District in the Sakha Republic, Russia. It is located from Nyurba, the administrative center of the district and from Kyunyade. Its population as of the 2002 Census was 53.