Eloigné de toute source de pollution, y compris lumineuse, Zoodkhun, village de haute montagne situé au bout de la vallée pakistanaise de Chapursan, aux confins afghans et chinois, est un lieu exceptionnel pour observer le ciel nocturne.
Tusion (also spelled Tosion, Tusiyan, Tusen, Тусен) is a wide village situated on Sharldara River a tributary of the Shakhdara (ending in Khorog, in Gunt River). It is spread in numerous settlements on a part of the Eastern slope of the Ishkashim Range.
Its average altitude is around 2 650 m. Though, upper village is closer to 2 900 m. Tusion is roughly located 25 km South-East of Khorog. The Tusion upper village is connected to the Roshtqala-Khorog « main road » with a long and strongly climbing up rough road.