União Biological Reserve
| União Biological Reserve | |
|---|---|
| Reserva biológica União | |
Reserve (yellow outline) on a satellite photo | |
| Nearest city | Macaé, Rio de Janeiro |
| Coordinates | 22°25′30″S 42°02′13″W / 22.425°S 42.037°W |
| Area | 2,548 hectares (6,300 acres) |
| Designation | Biological reserve |
| Created | 22 April 1998 |
| Administrator | ICMBio |
União Biological Reserve (Portuguese: Reserva biológica União [ʁeˈzɛʁvɐ bi.oˈlɔʒikɐ uniˈɐ̃w]) is a strictly protected biological reserve in the state of Rio de Janeiro, Brazil. It is home to a population of endangered golden lion tamarin.