The Palatine Watershed (German: Pfälzische Hauptwasserscheide) forms the main drainage divide in the Palatinate between the Upper Rhine and the Middle Rhine, the two successive sections of the River Rhine that flow through the German state of Rhineland-Palatinate.
In the southern and central Palatine Forest the effect of the Palatine Watershed is especially clear. There it separates the catchment areas of its four major drainage systems into an eastern and a western region: The Lauter, referred to in its upper reaches as the Wieslauter, the Queich and the Speyerbach flow eastwards, directly into the Upper Rhine; the Schwarzbach collects the water from the western Palatine Forest and sends it via the Blies, Saar and Moselle rivers to the Middle Rhine.
In the southern Palatine Forest, the German part of the Wasgau, the Palatine Watershed begins on the French border in the area of the Erlenkopf hill (473 m above NHN), where it is a continuation of the watershed in the northern Vosges. Always generally running from southwest to northeast it initially heads eastwards past Eppenbrunn and Pirmasens over the Großer Schiffelskopf (457 m) and reaches the region of Gräfenstein Land. From there it runs up the Hortenkopf (606 m) in the central Frankenweide. Several kilometres it passes through the hamlet of Johanniskreuz (470 m), one of the highest settlements in the Palatine Forest. The watershed then reaches the area west of Waldleiningen in the Lower Frankenweide.