It is presumed that the Battenberg castle was constructed by Count Frederick III of Leiningen (d. 1287), and it remained a possession of the House of Leiningen - until 1689, when it was destroyed during the War of the Palatine Succession by French troops. Together with Neuleiningen Castle, on the opposite hillside 1,400 metres to the north, it controlled access to the Eckbach valley.
On three sides the outer walls of the castle follow the edge of the steep-sided hill spur. The wall on the fourth side was protected by a moat, now completely filled in. Surviving structures include: the outer walls, a gate tower on the western side near the northwest corner of the site, a battery tower with embrasure in the centre of the south side, and the vaulted cellar and foundations of a large dwelling. Attached to this is a staircase tower, erected in the 16th century, which is still standing.
The ruins are in private ownership but there is limited public access.
References:Rosenborg Palace was built in the period 1606-34 as Christian IV’s summerhouse just outside the ramparts of Copenhagen. Christian IV was very fond of the palace and often stayed at the castle when he resided in Copenhagen, and it was here that he died in 1648. After his death, the palace passed to his son King Frederik III, who together with his queen, Sophie Amalie, carried out several types of modernisation.
The last king who used the place as a residence was Frederik IV, and around 1720, Rosenborg was abandoned in favor of Frederiksborg Palace.Through the 1700s, considerable art treasures were collected at Rosenborg Castle, among other things items from the estates of deceased royalty and from Christiansborg after the fire there in 1794.
Soon the idea of a museum arose, and that was realised in 1833, which is The Royal Danish Collection’s official year of establishment.