Taliin cave located in territory Dariganga sum, Sukhbaamar province, at 45°.35'.25,00" N and 114°.30'.02,06" E. The entrance situated on steppe, consists of one main corridor, extent to 240 м, whit an average width 8.58 m, average height of 7.0 m, total volume 12000 m3 , total square 1700m2. It is the longest of caves from volcanogenicorigins. The cave bottom is covered by an ice crust. First chamber is 45,6m length.Farther four big chamber continued from first chamber.The chambers width are in very widely part reach 30m, very low part reach 1, 4m.Taliin cave located1250m above sea level. Taliin cave is formed in of the Quaternary basaltic rocks of the Cenozoic period.