sentences:  The municipality lies in the upper Kohlbach valley in the Western Palatinate on the state boundary with the Saarland at an elevation of roughly 300 m above sea level at the junction of two "Landesstraßen".The Kohlbach itself, which is fed by several little brooks within the village, rises west of the village on the Hirschberg.The elevations within Frohnhofen’s municipal limits reach more than 400 m above sea level in the northernmost part of the municipal area.