Anything but antiquated, this impressive castle towers over the Mur river valley. This extraordinary event centre, located close to the river Mur cycle route, is open all year and accessible to the public from April to October on. Access to the castle by means of the Atlantis-Shuttle is a unique experience, offering fantastic views of the surroundings. A state-of-the-art energy supply system in the form of a heat pump highlights the successful marriage of history and modern technology.
https://www.graztourismus.at/en/see-and-do/sightseeing/trips-around-graz/burg-rabenstein_af-5072