Mo'menabad Castle (Persian: قلعه مؤمن آباد), locally known as Kal Hassan Sabbah castle (قلعه کل حسن صباح) is a historical castle located in Sarbisheh County in South Khorasan Province, The longevity of this fortress dates back to the Nizari Ismaili state.[1][2]
| Kol Hassan Sabbah castle | |
|---|---|
قلعه کل حسن صباح | |
 | |
| General information | |
| Type | Castle |
| Town or city | Sarbisheh County |
| Country |  Iran |