Ranked by strength
The 8 strongest castles in Austria
Austria’s mightiest fortresses — the strongholds built to hold against siege, ranked by military strength rather than fame. Each links through to its full history, and you can rebuild any of them to explore with AI.
- 1
Austria · Restored · prime 1519
Hohensalzburg Fortress
Hohensalzburg Fortress is a large medieval hilltop fortress overlooking the city of Salzburg, Austria, occupying the summit of the Festungsberg. Built from 1077 and expanded over centuries by the prince-archbishops of Salzburg, it comprises long curtain walls, multiple towers, bastions and a compact cluster of residential and representative buildings. Today it stands as one of the best preserved medieval fortresses in Europe.
- 2
Austria · Restored · prime 1617
Hohenwerfen Castle
Hohenwerfen Castle is a medieval rock fortress perched on a 155-metre limestone pillar above the town of Werfen in the Salzach valley, built for the prince-archbishops of Salzburg in the 11th century. It served as a fortified residence, hunting retreat and state prison and remains a largely intact, museumized fortress today.
- 3
Austria · Restored · prime 1522
Kufstein Fortress
Kufstein Fortress is a large hilltop fortress commanding the town of Kufstein in Tyrol, Austria. Its present ensemble includes a massive round keep, long multi-storey residential ranges and extensive curtain walls; today it houses the City Museum and is used for concerts and events. A short funicular links the town with the fortress below.
- 4
Austria · Still standing · prime 1586
Hochosterwitz Castle
Hochosterwitz Castle is a mediaeval hilltop rock castle in Carinthia, Austria, built on a 172-metre dolomite outcrop above the Zollfeld plain. The site features a stepped sequence of concentric curtain walls and fortified gatehouses leading to a compact residential citadel at the summit and has been held by the Khevenhüller family since the 16th century. Parts of the complex are open to the public seasonally.
- 5
Austria · Restored · prime 1653
Riegersburg Castle
Riegersburg Castle is a large medieval fortress built atop a steep basalt volcanic neck above the town of Riegersburg in Styria, Austria. The present complex retains extensive multi-level defensive walls, terraces and a compact summit castle complex that today houses a museum and exhibitions.
- 6
Austria · Still standing · prime 1670
Forchtenstein Castle
Forchtenstein Castle is a Late Medieval hilltop fortress near Forchtenstein in northern Burgenland, Austria, long owned by the Esterházy family. Built around a very tall keep and later fortified and ornamented in the 17th century, it served as a stronghold and a repository for the family's archives and treasures and today remains intact.
- 7
Austria · Ruin · prime 1436
Aggstein Castle
Aggstein Castle is a medieval hill castle ruin perched on a long rocky outcrop above the right bank of the Danube in the Wachau, Lower Austria. The site preserves a connected sequence of curtain walls, rock-built strongpoints at both ends, a palace, a women's tower and a gothic chapel; most visible fabric dates from the large 15th-century rebuilding.
- 8
Austria · Partial ruin · prime 1552
Landskron Castle
Landskron Castle is a medieval hill castle on a rocky cone northeast of Villach in the Austrian state of Carinthia. Rebuilt and remodelled in a Renaissance manner in the mid-16th century, it was largely destroyed by lightning in 1812 and today survives as conserved, partly ruined walls which are a local tourist site with a falconry centre and visitor facilities.