| Maciço do Urucum | |
| Other Name: | Morro do Urucum |
| Elevation M: | 1065 |
| Elevation Ref: | [1] |
| Listing: | List of mountains in Brazil |
| Location: | Mato Grosso do Sul, Brazil |
| Map: | Brazil |
| Relief: | 1 |
| Map Size: | 220 |
| Label Position: | left |
| Coordinates: | -19.2°N -93°W |
Maciço do Urucum ("Urucum Massif"), also known as Morro do Urucum ("Urucum Hill") is a mountain in southern Brazil, south of the city of Corumbá, Mato Grosso do Sul. It is the highest mountain in the state, reaching 1065m (3,494feet). The rock formation is mined for manganese by Rio Tinto Group and Vale do Rio Doce.