Marble Wall is a peak situated at an altitude of 6.400 m above the sea level, and included into Meridionalny range mountain system, at the Kazakhstan-Chinese border. No climbing is conducted right along the wall due to icefalls. The peak was named because of marble outcrop. In winter there is not much snow here as it is blown away by the northeastern wind. Day temperature in summer at the altitude of 2000 m is reaches +24 +26°C. At night the temperature falls down to +5 +8°C. The Marble Wall glacier is a source of two small rivers Ashi-Tor and Kesken-Tas, further confluence of which forms the river of Bayankol, flowing to the North. The Base Camp was named after the river.