Koh-i-Chiltan (Balochi: کوہٖ‌چٖلتن; ”Mount Chiltan”) is a peak located in the Chiltan mountain group of the Sulaiman Mountains, in the Quetta District of Balochistan Province, in western Pakistan.

Koh-i-Chiltan is the summit of a steep, rocky mountain called Chiltan or Chehel-Tan in Brahui, which means "forty bodies".

[1] There are many juniper trees found in high ranges.

In local folk culture, Koh-i-Chiltan is said to be haunted.

A local story about the mountain tells the tale:[2][3][4] The type section is chiltan ranges, the formation is mainly consist of dark gray massive bedded limestone forms thick bands with rough surface (3–20 ft) thick, the limestone is highly resistant and it forms some of the highest mountains around the quetta valley, the chiltan formation is underlined by shrinab formation (shrinab valley) the lower contact is transitional and upper contact is represented by an abrupt change in lithology from limestone to sembar shale.