The Kabul River cuts a narrow trough through the Safēd Kōh mountains to flow eastward into the Indus River; otherwise, the range connects directly with the Shandur Top offshoot of the Hindu Kush mountain system. The closest cities to the Safēd Kōh are Jalalabad, Afghanistan to the north; Gardez, Paktia Province, Afghanistan to the west; and Khost, Khost Province, Afghanistan and Parachinar, Kurram District, Khyber Pakhtunkhwa province, Pakistan to the south. From the highest peak of the mountain range, (Mount Sikaram (Sikaram Sar)), eastward, it passes on the north of Parachamkani, Afghanistan; Tari Mangal, Pewar, Alizai, Khewas, Shilawzan, Luqman Khel, Maikay, Chappri Rest House, Zeran, and Upper Khyber Agency.