The chief passes in Tirah are the Sampagha Pass (6,500 ft), separating the Khanki Valley from the Mastura Valley; the Arhanga Pass (6,99E ft.), separating Mastura Valley from Maidan; Saran Sar (8,650 ft), leading from the Zakka Khel portion of Maidan into the Bara Valley; the Tseri Kandao (8,575 ft), separating Maidan from the Waran Valley, and the Sapri Pass (5,190 ft), leading from the east of the Mastura Valley into the Bara Valley in the direction of Mamanai. The whole of Tirah was thoroughly explored and mapped at the time of the Tirah Campaign.