It starts near the village Doornenburg near the German border. It flows to Tiel and from there on meanders through the Betuwe, to end in the Boven Merwede near Gorinchem. Until Geldermalsen it does not look like a big river. From Geldermalsen on however, it begins to look like a real river.
This river used to be an important trade route in old days. This role has nowadays been taken by the Rhine and Waal rivers.
Railroad bridges (with nearest train station on the left and right bank):