The Großer Fallstein is a wooded hill region in the German state of Saxony-Anhalt.
Its highest point has an elevation of 288 metres above sea level (NN).
The wood that lies not far from the former Inner German Border that ran along the Großes Bruch has an east–west extent of about 4 kilometres and also measures about 4 kilometres from north to south.
The Großer Fallstein is a mixed forest of beech, birch, oak and spruce.
The settlements in the ara include Osterwieck, Hessen, Rhoden, Deersheim and Veltheim.