| Trois-Monts | |
| Arrondissement: | Caen |
| Canton: | Le Hom |
| Commune: | Montillières-sur-Orne |
| Insee: | 14713 |
| Postal Code: | 14210 |
| Coordinates: | 49.0478°N -0.4789°W |
| Elevation M: | 100 |
| Elevation Min M: | 12 |
| Elevation Max M: | 159 |
| Area Km2: | 7.04 |
| Population: | 427 |
| Population Date: | 2016 |
| Population Footnotes: | [1] |
Trois-Monts (in French pronounced as /tʁwɑ mɔ̃/; French for 'three-mountains') is a former commune in the Calvados department in the Normandy region in northwestern France. On 1 January 2019, it was merged into the new commune Montillières-sur-Orne.[2]
The former commune is part of the area known as Suisse Normande.[3]