Twenty-five miles below Basra the river Karun from Shushter and Dizful throws off an arm, which seems to be artificial, into the Euphrates.
AHVAZ, a town of Persia, in the province of Arabistan, on the left bank of the river Karun, 48 m.
And more, and in it are the sources of Persia's most important rivers, as the Zayendeh-rud, Jarahi, Karun, Diz, Abi, Kerkheh.
MUHAMRAH (MOHAMMERAH), a town of Persia, in the province of Arabistan, in 30 26' N., 48° II' E., on the Hafar canal, which joins the Karun with the Shatt el Arab, and flows into the latter 40 m.
With the opening of the Karun river, as far as Ahvaz, to international navigation in 1889, Muhamrah acquired greater importance, and its customs, which until then were leased to the governor for 150o per annum, rose considerably, and paid 8000 until taken over by the central customs department under Belgian officials in 1902.