The Johannisberg (formerly also called Keeserkopf and Herzoghut) is a 3,453 metres (11,329 ft) high mountain in the Glockner Group of the High Tauern, a mountain range of the Central Eastern Alps in Austria.
Schloss Johannisberg is a castle and winery in the village of Johannisberg to the west of Wiesbaden, Hesse, in the Rheingau wine-growing region of Germany. It has been making wine for over 900 years. The winery is most noted for its claim to have "discovered" late harvest wine. The castle is a venue of the Rheingau Musik Festival, made available by co-founder Tatiana von Metternich-Winneburg.