Dates for expedition open. Special project – a study of the karst and caves of the Baysun-Tau mountain range. The Baysun-Tau mountain range in Uzbekistan is the south-western spur of the Gissar Range. The length of the range is about 150 km; the maximum height is 4424 m. The range is composed of limestone, sandstone, and clay of the Mesozoic age. Most of the carbonate “pie” is composed by carbonate limestone. On the slopes of the range originates the river Ak-Darya. The lower parts of the slopes are covered with semi-desert Continue Reading

“Karst on the Roof of the World” (Pamir, Tajikistan) 2020-2021

Expedition for cave biologists, speleologists, geologists, archaeologists and researchers About the “Karst on the Roof of the World” project: For speleologists, Tajikistan is a little-known country in Central Asia. Very little Speleological knowledge of the country is related to its remoteness and geographical closeness, as well as the lack of caves and people interested in cave exploration. Karst areas are located far from civilized centers very high in the mountains. Political problems did not allow exploring this region in the past. At present, Tajikistan is a rapidly developing secular country Continue Reading

EXTREME PROJECT: RESEARCH of the internal glacial drainage OF MERZBACHER LAKE. Continuation of research in 2021

In November 2019, an international expedition consisting of 23 cavers from 5 countries carried out research on the largest glacier in Tien-Shan named Enylchek. One of research objectives was to study intraglacial drainage systems. Alpine lake Merzbacher, annually for some reason bursts the ice dam. Huge volumes of water rush into the glacier, making kilometers long tunnels. The expedition resulted in discovery of several caves and wells found in the area of Lake Merzbacher. In general, the expedition was successful. But, extreme air temperatures, and some organizational not foreseen in advance Continue Reading


The Kumysh Plateau is located on the Fergana Range, 15 km west of Karasu Lake. The plateau was discovered by speleologists in 1989. The height of the plateau is more than 3,100 m. The size of the plateau is 0.7 x 0.4 km. 10 karst sinkholes were found on the plateau, confined to two parallel tectonic faults formed at a distance of 50 m from each other. The diameter of the sinkholes is from 10 to 20 m, the maximum depth is up to 3-4 m. The plateau was discovered Continue Reading


The karst region of Seresu is located on the limestone Isfan-Jayloo mountain massif, which is the north-western spur of the Fergana Range. Seresu took its name after an alpine lake located at an altitude of more than 2000 m. This beautiful place attracts many tourists and travelers. There are 3 known caves which were found during one tourist excursion of a local tourist club. Speleologists learned about the caves later. The formation of stalactites and stalagmites were found in the caves. The length of the largest cave is more than Continue Reading


About the Tacta-Boz project: The Tacta-Boz mountain range is composed entirely of carboniferous (C) and devonian (D) limestone. This limestone represents is a single array with a many tectonic faults. The length of the mountain range is more than 50 km. The ridge is located between the Fergana Valley and the Turkestan mountain range. Geologically, it belongs to the tectonic system of the Southern Tien Shan. The mountain range is located in a sharply continental climate with hot summers and cold winters. Despite the fact that the ridge is surrounded Continue Reading

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