| Heimburg Castle | |
|---|---|
Burg Heimburg, Altenburg, Alteburg | |
| Heimburg | |
 Early morning view from Heimburg Castle looking west over the village towards the Harz | |
  Heimburg Castle  Heimburg Castle | |
| Coordinates | 51°49′38″N 10°54′39″E / 51.827194°N 10.910778°E |
| Type | hill castle |
| Code | DE-ST |
| Height | 330 m above sea level (NN) |
| Site information | |
| Condition | ruin |
| Site history | |
| Built | 10th century |
| Garrison information | |
| Occupants | emperor, nobility, dukes |
Heimburg Castle (German: Burg Heimburg), also called the Altenburg or Alteburg, is a ruined castle on an oval hilltop about 330 metres above sea level (NN) which is located just north of the Harz Mountains in central Germany. The ruins of this hilltop castle stand above the village of Heimburg in the borough of Blankenburg in the district of Harz in the state of Saxony-Anhalt. It is checkpoint no. 84 in the Harzer Wandernadel hiking network.