The direct distance from its source to its embouchure is about 80 miles; but that distance is more than doubled by its windings.

It is a stream of considerable size, broad and rapid; at many seasons not fordable at all, and always forded with difficulty.
The Greater Zab is the most important of all the tributaries of the Tigris.

It rises near Konia, in the district of Karasu, about lat.

32 deg.
20', long.

44 deg.