The castle, which was built by the Counts of Dassel or the Guelph Dukes in the 13th century at the latest, was the main residence of the Dukes of Grubenhagen …
The Heldenburg, also known as Salzderhelden Castle, is a ruined castle above the town of Salzderhelden in southern Lower Saxony. It served to protect the salt well at the foot of the castle complex, from which the Salzderhelden salt works developed. Between 1291 and 1596 it was the residence and at times the main residence of the dukes of the Guelph Principality of Grubenhagen. Swell: heldenburg.de de.wikipedia.org/wiki/Heldenburg
Great castle ruins with lots to discover and beautiful photo opportunities, benches invite you to rest and enjoy the view. The area is very well maintained and you can fortify yourself for the rest of the tour in the castle tavern.