Helfštýn (German: Helfenstein, Helfstein) is a castle ruin in Týn nad Bečvou in the Olomouc Region of the Czech Republic. It is located 15 kilometres (9 mi) east of Přerov. The history of Helfštýn is closely related to the development of the nearby town of Lipník nad Bečvou.
The ruins of the castle are perched on a high wooded knoll above the narrowest part of the Moravian Gate and above the left bank of the river Bečva. The complex is 187 metres (614 ft) long and up to 152 metres (499 ft) wide. It is one of the largest castles in terms of area in the Czech Republic.
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