Built in the 12th century by the Styrian Ottokars, the castle consists of the main building and one major ancillary tower.

[2] After that the line passed by inheritance to the family of von Auersperg, who eventually sold the castle in 1905 to the province of Upper Austria.

It is a common place for historic tours by school groups and history buffs, and home more recently to the castle rock climbing area.[when?]

The preservation of the historic building and the maintenance of the possibility for a variety of activities in this unique cultural treasure has been given highest priority.

[citation needed] Signage allows interested visitors to understand the historical and cultural significance of the ruins of Burg Losenstein.