Al-Kahf Castle
| Al-Kahf Castle قلعة الكهف | |
|---|---|
| Al-Ansariyah mountains, Syria | |
| Site information | |
| Type | Castle | 
| Owner | Directorate General of Antiquities and Museums (DGAM) | 
| Controlled by | Saif al-Mulk ibn Amrun (1120–1138) Nizaris (Assassins) (1138–1273) Mamluk Sultanate (1273–1516) Ottoman Empire (1516–1918) | 
| Open to the public | Yes | 
| Condition | Partially ruined | 
| Location | |
| Coordinates | 35°02′27″N 36°04′59″E / 35.0407°N 36.0830°E | 
| Site history | |
| Built | 1120 | 
| Built by | Saif al-Mulk ibn Amrun | 
| In use | Until 19th century | 
| Materials | Limestone | 
| Demolished | 1816 | 
Al-Kahf Castle or the Castle of the Cave (Arabic: قلعة الكهف, romanized: Qalʻat al-Kahf) is a medieval Nizari Isma'ili castle located around 30 kilometres (19 mi) southeast of Margat, in the al-Ansariyah mountains in northwest Syria.