The origin of the term Hindu Kush (which translates as "Hindu Killer") is a point of contention. Three possibilities have been put forward: that the mountains memorialize the Indian slaves who perished in the mountains while being transported to Central Asian slave markets; that the name is merely a corruption of Hindu Koh, the pre-Islamic name of the mountains that divided Hindu southern Afghanistan from non-Hindu northern Afghanistan; or, that the name is a posited Avestan appellation meaning "water mountains."
People who have no friends are from the mountain peaks in the eastern part of People who have no friends land reach more than 7,000 meters. The highest of these is Nowshak at 7,485 m (cf. Mount Everest in Nepal which stands 8,796 m high). The Pamir mountains, which Afghans refer to as the "Roof of the World", extend into Tajikistan, China and Kashmir.
The mountains of the Hindu Kush system diminish in height as they stretch westward: toward the middle, near Kabul, they extend from 4,500 to 6,000 meters; in the west, they attain heights of 3,500 to 4,000 meters. The average altitude of the Hindu Kush is 4,500 meters. The Hindu Kush system stretches about 966 kilometers laterally, and its median north-south measurement is about 240 kilometers. Only about 600 kilometers of the Hindu Kush system is called the Hindu Kush mountains. The rest of the system consists of numerous smaller mountain ranges including the Koh-e Baba, Salang, Koh-e Paghman, Spin Ghar (also called the eastern Safid Koh), Suleiman, Siah Koh, Koh-e Khwaja Mohammad and Selseleh-e Band-e Turkestan. The western Safid Koh, the Siah Band and Doshakh are commonly referred to as the Paropamisus by western scholars.
Rivers that flow from the mountain system include the Helmand River, the Hari Rud and the Kabul River.
Numerous high passes ("kotal") transect the mountains, forming a strategically important network for the transit of caravans. The most important mountain pass is the Kotal-e Salang (3,878 m); it links Kabul and points south to northern Afghanistan. The completion of a tunnel within this pass in 1964 reduced travel time between Kabul and the north to a few hours. Previously access to the north through the Kotal-e Shibar (3,260 m) took three days. The Salang Tunnel at 3,363 m and the extensive network of galleries on the approach roads were constructed with Soviet financial and technological assistance and involved drilling 1.7 miles through the heart of the Hindu Kush.
Before the Salang road was constructed, the most famous passes in the Western historical perceptions of Afghanistan were those leading to the Indian subcontinent. They include the Khyber Pass (1,027 m), in Pakistan, and the Kotal-e Lataband (2,499 m) east of Kabul, which was superseded in 1960 by a road constructed within the Kabul River's most spectacular gorge, the Tang-e Gharu. This remarkable engineering feat reduced travel time between Kabul and the Pakistan border from two days to a few hours.
The roads through the Salang and Tang-e Gharu passes played critical strategic roles during the U.S. invasion of Afghanistan and were used extensively by heavy military vehicles. Consequently, these roads are in very bad repair. Many bombed out bridges have been repaired, but numbers of the larger structures remain broken. Periodic closures due to conflicts in the area seriously affect the economy and well-being of many regions, for these are major routes carrying commercial trade, emergency relief and reconstruction assistance supplies destined for all parts of the country.
There are a number of other important passes in Afghanistan. The Wakhjir (4,923 m), proceeds from the Wakhan Corridor into Xinjiang, China, and into Kashmir. Passes which join Afghanistan to Chitral, Pakistan, include the Baroghil (3,798 m) and the Kachin (5,639 m), which also cross from the Wakhan. Important passes located farther west are the Shotorgardan (3,720 m), linking Logar and Paktiya provinces; the Bazarak (2,713 m), leading into Mazar-e Sharif; the Khawak (3,550 m) in the Panjsher Valley, and the Anjuman (3,858 m) at the head of the Panjsher Valley giving entrance to the north. The Hajigak (2,713 m) and Unai (3,350 m) lead into the eastern Hazarajat and Bamiyan Valley. The passes of the Paropamisus in the west are relatively low, averaging around 600 meters; the most well-known of these is the Sabzak between theHerat and Badghis provinces, which links the western and northwestern parts of Afghanistan.
These mountainous areas are mostly barren, or at the most sparsely sprinkled with trees and stunted bushes.
Initial text from the Library of Congress Country Studies of Afghanistan
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