Soloneshensky District is an administrative and municipal district (raion), one of the fifty-nine in Altai Krai, Russia. It is located in the southeast of the krai. The area of the district is 3529 km2. Its administrative center is the rural locality (a selo) of Soloneshnoye. Population: The population of Soloneshnoye accounts for 41.4% of the district's total population. A number of prominent archaeological sites are located inside the territory of the raion. In particular, the Denisova Cave, where the remains of the Denisova hominid were first discovered.

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