Горно-Бадахшанская автономная область
Jacob Townsend has speculated on the possibility of drug smuggling from Afghanistan to China via the Wakhan Corridor and Wakhjir Pass, but concluded that due to the difficulties of travel and border crossings, it would be minor compared to that conducted via Tajikistan's Gorno-Badakhshan Autonomous Province or through Pakistan, both having much more accessible routes into China.