Afghanistan–Tajikistan border
The Afghanistan–Tajikistan border is in length and runs from the tripoint with Uzbekistan in the west to the tripoint with China in the east , almost entirely along the Amu Darya , Pyanj and Pamir rivers , except for the easternmost section along the Wakhan Corridor . 
<triplet> Amu Darya <subj> Pyanj <obj> tributary <subj> Pamir rivers <obj> origin of the watercourse <triplet> Pyanj <subj> Pamir rivers <obj> tributary <triplet> Pamir rivers <subj> Pyanj <obj> mouth of the watercourse <triplet> Wakhan Corridor <subj> China <obj> shares border with