| Castle of Monsanto | |
|---|---|
Castelo de Monsanto | |
| Castelo Branco, Beira Interior Sul, Centro in Portugal | |
 Aerial view of the Castle of Monsanto. | |
| Coordinates | 40°2′9.6″N 7°6′49.5″W / 40.036000°N 7.113750°W |
| Type | Castle |
| Site information | |
| Owner | Portuguese Republic |
| Operator | Junta de Freguesia de Monsanto (ceded on 10 March 1949) |
| Open to the public | Private |
| Site history | |
| Built | 12th century |
| Materials | Granite, Masonry |
The Castle of Monsanto (Portuguese: Castelo de Monsanto) is a medieval castle located in the civil parish of Monsanto e Idanha-a-Velha, in the municipality of Idanha-a-Nova, Portuguese district of Castelo Branco.