Bolshoy Tontoy () is a rural locality (a selo) in Shelopuginsky District, Zabaykalsky Krai, Russia. Population: There are 3 streets in this selo.Село Большой Тонтой на карте
Geography This rural locality is located 24 km from Shelopugino (the district's administrative centre), 294 km from Chita (capital of Zabaykalsky Krai) and 5,525 km from Moscow. Maly Tontoy is the nearest rural locality.Село Большой Тонтой, Забайкальский край
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