The Heiligenberg is a mountain of Baden-Württemberg, Germany. It rises to the east of the Neuenheim and Handschuhsheim sections of Heidelberg. It was called the Aberinsberg in the Carolingian period; in 1265 Premonstratensians from All Saints' Abbey in the Black Forest took over the two monasteries on the mountain, and its name became Allerheiligen-Berg (all saints' mountain), the ancestor of its present name.