Baghlan
Baghlan operates as a keystone species in Afghanistan's network: the only trans-Hindu Kush route has channeled trade for 4,000 years.
Baghlan functions as a keystone node in Afghanistan's circulatory system. For over 4,000 years, the Salang Pass that cuts through this province has been the only direct route connecting Kabul to Central Asia—used by everyone from Alexander the Great to Soviet supply convoys. The name of its capital, Pul-e Khumri ("Bridge of Khumri"), reveals its essential function: this is where trade routes cross, where the mountain wall of the Hindu Kush yields a single passage north.
The province's topography created two distinct economic zones. The southern highlands channel traffic through the 3,878-meter Salang Pass and its Soviet-built tunnel, extracting value from transit fees and services. The northern plains—part of ancient Bactria—produce wheat and barley surpluses that feed Afghanistan's food supply. This dual economy mirrors the specialized tissues of a complex organism: one zone handles transport and distribution, the other primary production.
The Kushan dynasty recognized Baghlan's strategic value in the 1st century BCE, establishing Buddhist centers of learning here. The Soviets built the Salang Tunnel between 1958-1964 specifically to move military hardware south. Today, Baghlan stands to benefit from the CASA-1000 regional power project, which will run electricity from Central Asia to South Asia—continuing the pattern of valuable flows passing through without fully transforming the local economy. Coal mining at Karkar and Dudkash once powered Afghan industry; the 2025 Russian exploration agreements for oil and gas suggest new extraction cycles may begin. Afghanistan's World Bank-projected 4.3% GDP growth in 2025 reflects returnees stimulating services, but Baghlan's essential role remains unchanged: the bridge that connects otherwise separated worlds.