Wikipedia
Osterhagen
Osterhagen is a village near the town of Bad Lauterberg in the district of Osterode in Lower Saxony, Germany. The village lies between Bad Lauterberg and Bad Sachsa. Not far from Osterhagen is the Weingartenloch, a supposed treasure cave. The Karstwanderweg passes nearby.
Osterhagen lies on the Uerdingen line, in the traditional area of the Eastphalian language, a Low German dialect. Osterhagen lies not far from the border of Thuringia.