Kabul and Kuram rivers rises the snow-capped Sufeid Koh, the
principal peak of which, to the south of Jelalabad, attains an
altitude of 15,000 feet. To the south of this, in Southern
Afghanistan, the Suleiman range, of an average height of 9,000 feet,
falls rapidly toward the valley of the Indus. Between the Hindu Kush
and the Suleiman ranges there are several lesser ones stretching
toward the southwest, including the Auran Mountains (7,000 feet).

Of the principal rivers noted here (the Helmund, Har-i-Rud, Kabul,
Kuram, and the Gomal) the Helmund alone is navigable. The Helmund
terminates in the swamps of Seistan, as also do the Kash, Farrah,
and Herat rivers, running parallel to the Helmund across the
Kandahar-Herat roads, at 80, 150, and 200 miles, respectively, to
the west of it. These rivers are without bridges, but (with the
exception of the Helmund--provided with ferry at Girishk) are
fordable, save in the months of April and May. The country is
otherwise open and easily traversable, but only on the main routes
can water be readily obtained, and forage is scarce in the winter.

The Turnuk valley, running northeast from Kandahar, is followed by
the great route to Ghazni and Kabul skirting the Guikok range--
separated from the Hazaristan to its west by the parallel valley of
the Argandab. The latter valley is also followed by a route which
enters it from Mooktur, the source of the Turnuk. This debouches
upon the Herat road about ten miles west of Kandahar, and there is
no communication west of it between Herat and Kabul, save by
impracticable mountain routes across the Hazaristan.

Three routes from Kandahar to Herat separate at Girishk on the
Helmund, cross the Kash at different points, and meet at Sabzawar