The Polatkhan cave is hidden on the plateau of the same name in Gazalkent district of Tashkent province in the mountains of South-West Tien-Shan. It was discovered by the speleologists from Novosibirsk in 1988. The following year the cave was passed through to the depth of more than 400 meters. Later in the course of the joint Tashkent and Novosibirsk expedition, speleologists reached a depth of 508 meters.
The cave consists of a vertical shaft with wells up to 80 m deep.