The Bolan pass is the southern counterpart of the Khyber Pass, and both ranges have been used throughout history for invasions of the Indian subcontinent.
In 1748, the Afghan king Ahmad Shah Durrani invaded India by using the Bolan Pass in addition to the traditional Khyber Pass route.
The Durrani capital Qandahar was located nearby the pass, which gave quick access to Indian lands.

In 1837, threatened by a possible Russian invasion of South Asia via the Khyber and Bolān Passes, a British envoy was sent to Kabul to gain support of the Emir, Dost Mohammed.
In February 1839 during the First Anglo-Afghan War, the British Army under Sir John Keane took 12,000 men through the Bolān Pass and entered Qandahar, which the Afghan Princes had abandoned; from there they would go on to attack and overthrow Ghazni.
The pass they chose was not the same as that used by the modern railway line, but further west at Siri-Bolan.

A British officer of the Bengal Artillery described the Bolan Pass in 1841 in the words:
"The road through this pass leads, with few and rare exceptions, along what is the bed of a mountain-torrent, when filled by the melting of the snows or heavy rains, and is composed of loose shingly gravel, that recedes from under your feet, and is very difficult for draught: camels get on well.
It is infested by the Kakurs, who live by robbery; and the hills sometimes close in upon the road, which is filled up by the bed of the stream, running through rocky chasms, upwards of a hundred feet high, from the top of which the robbers assail the travellers with stones; and were they as bold as they are cruel and perfidious, they might hold the place against all comers.
Many spots were pointed out to me by the guides I had with me, as signalised by acts of violence, several European officers having lost their baggage during our occupation of the country.
Should there be rain in the higher parts of the mountains, the stream at times comes down in an almost perpendicular volume, without warning, and sweeping all before it, as a friend of mine experienced, when he saw a party of men, horses, and camels, and all his property, borne down by it; when himself and some few men with him escaped by climbing up the nearly perpendicular side of the hill.
About thirty-seven men were washed away upon that occasion."

In 1883, Sir Robert Groves Sandeman negotiated with the Khan of Kalat, Khudadad Khan, and secured British control over the pass in exchange for an annual fee.
The Bolan pass is the southern counterpart of the Khyber Pass, and both ranges have been used throughout history for invasions of the Indian subcontinent. In 1748, the Afghan king Ahmad Shah Durrani invaded India by using the Bolan Pass in addition to the traditional Khyber Pass route. The Durrani capital Qandahar was located nearby the pass, which gave quick access to Indian lands.
In 1837, threatened by a possible Russian invasion of South Asia via the Khyber and Bolān Passes, a British envoy was sent to Kabul to gain support of the Emir, Dost Mohammed. In February 1839 during the First Anglo-Afghan War, the British Army under Sir John Keane took 12,000 men through the Bolān Pass and entered Qandahar, which the Afghan Princes had abandoned; from there they would go on to attack and overthrow Ghazni.The pass they chose was not the same as that used by the modern railway line, but further west at Siri-Bolan.
A British officer of the Bengal Artillery described the Bolan Pass in 1841 in the words:
"The road through this pass leads, with few and rare exceptions, along what is the bed of a mountain-torrent, when filled by the melting of the snows or heavy rains, and is composed of loose shingly gravel, that recedes from under your feet, and is very difficult for draught: camels get on well. It is infested by the Kakurs, who live by robbery; and the hills sometimes close in upon the road, which is filled up by the bed of the stream, running through rocky chasms, upwards of a hundred feet high, from the top of which the robbers assail the travellers with stones; and were they as bold as they are cruel and perfidious, they might hold the place against all comers. Many spots were pointed out to me by the guides I had with me, as signalised by acts of violence, several European officers having lost their baggage during our occupation of the country. Should there be rain in the higher parts of the mountains, the stream at times comes down in an almost perpendicular volume, without warning, and sweeping all before it, as a friend of mine experienced, when he saw a party of men, horses, and camels, and all his property, borne down by it; when himself and some few men with him escaped by climbing up the nearly perpendicular side of the hill. About thirty-seven men were washed away upon that occasion."
In 1883, Sir Robert Groves Sandeman negotiated with the Khan of Kalat, Khudadad Khan, and secured British control over the pass in exchange for an annual fee.
Bolan Pass