Trilek Castle

Trilek Castle (Slovene: Grad Trilek) is a small castle or fort near the settlement of Col, in the municipality of Ajdovščina in southwest Slovenia. Built in the early 16th century, it was first mentioned in the 17th-century historian Janez Vajkard Valvasor's 1689 survey, The Glory of the Duchy of Carniola.

The castle consists of a small tower and two annexes. While generally intact, it is in poor condition and unsafe to enter due to instability of the ceilings and walls.

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