[Rhine] The Otterbach is a stream, 42 kilometres long, in South Palatinate in the German state of Rhineland-Palatinate, that flows eastwards and northeastwards towards the Upper Rhine. == Course == The Otterbach rises in the area of the Upper Mundat Forest in the southeast of the Palatine Forest. Its source lies at a height of about 300 met... Found on http://en.wikipedia.org/wiki/Otterbach_(Rhine)