The largest of the seven springs of the Eisbach is at an elevation of about above sea level on the northern slope of the Hohe Bühl mountain, , in the northern Palatinate Forest, southwest of Ramsen. After about two kilometres, the seven streams unite in the Eiswoog reservoir. At the hamlet of Kleehof, the long Bockbach flows in from the right. Here, the direction of the river changes from straight north to northeast. The direction remains northeast until the confluence with the Rhine.