The Westerbach is a right tributary of the Kahl in the northern Spessart in Lower Franconia, Bavaria, Germany. It is 6,3 km (3,9 mi) long and begins at the confluence of Querbach and Huckelheimer Bach in Westerngrund. The Querbach rises in the Arzborn, a small opening in the mountainside on the Hoher Querberg, northeast of Huckelheim, near the bor... Found on http://en.wikipedia.org/wiki/Westerbach