| Grubenhagen Castle | |
|---|---|
&sq=&lang=&file=File:Grubenhagen_Turm_2.jpg) The round keep (18 m high); the only remaining structure of Grubenhagen Castle | |
&sq=&lang=&file=File:Lower_Saxony_location_map.svg)  Grubenhagen Castle Location within Lower Saxony &sq=&lang=&file=File:Germany_adm_location_map.svg) Grubenhagen Castle Grubenhagen Castle (Germany) | |
| Alternative names | Burg Grubenhagen |
| General information | |
| Type | hill castle |
| Classification | keep preserved |
| Location | near Einbeck, Northeim district, Lower Saxony |
| Coordinates | 51°45′53″N 9°49′02″E / 51.76472°N 9.81722°E |
| Completed | 12th/13th century |
| Height | 298 m above sea level (NN) |
Grubenhagen Castle (German: Burg Grubenhagen) is a ruined medieval castle in North Germany dating to the 13th century. It is not far from the town of Einbeck in southern Lower Saxony.