The mountain chains which enclose Kagan sweep southward into the broader portion of the district, throwing off well-wooded spurs which break up the country into numerous isolated glens.
With the exception of the Kunhar river, which flows down the Kagan valley to the Jhelum, the whole drainage of the province eventually finds its way into the Indus.
Important railway lines were constructed from Kagan (the station on the main line io m.
The chief peaks in the province are Kaisargarh (11,300 ft.) and Pir Ghol (11,580 ft.) in Waziristan; Shekh Budin (4516 ft.), in the small range; Sikaram (15,621 ft.) in the Safed Koh; Istragh (18,900 ft.), Kachin (22,641 ft.) and Tirach Mir (25,426 ft.), in the Hindu Kush on the northern border of the Chitral agency; while the Kagan peaks in Hazara district run from 10,000 ft.
The mountains of the Hindu Kush running from east to west form the northern boundary of the province, and are met at the north-east corner of the Chitral agency by the continuation of an outer chain of the Himalayas after it crosses the Indus above the Kagan valley.
The Babusar Pass at the head of the Kagan valley marks the most direct approach to Chilas and Gilgit from the plains of India.
The district of Hazara extends northeastwards into the outer Himalayan Range, tapering to a narrow point at the head of the Kagan valley.