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Runkelstein Castle (German: Schloss Runkelstein; Italian: Castel Roncolo) is a medieval fortification on a rocky spur in the territory of Ritten, near the city of Bolzano in South Tyrol, Italy
In 1385 the Niklaus and Franz Vintler wealthy merchant brothers from Bozen bought the castle
In 1390 the construction of the Summer House began. The house was painted with frescos, for which the castle is most famous today, inside and outside. The frescos topics were of literary nature

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Runkelstein Castle, Kaiser-Franz-Josef Weg, I-39100 Bozen/Bolzano
The summer house was built between 1390 and 1393 as a summer residence by the Vintler family. At this time it was decorated with the frescoes too
Above the wooden balcony you can see the "Triades" – groups of three persons forming one theme.
And the following Triades you can only see here in castle Runkelstein: three giants