| Río Grande | |
| Pushpin Map: | Argentina |
| Pushpin Map Caption: | Location of mouth |
| Source1 Location: | Chile |
| Mouth Location: | South Atlantic |
| Subdivision Type1: | Countries |
| Length: | 240km (150miles) |
The Río Grande (Spanish for "great river") is a river located on the island of Tierra del Fuego.[1] It arises in the Chilean (western) part of the island and flows in a generally eastward direction, through the Argentine part and into the Argentine Sea. At its mouth lies the city of Río Grande, Argentina.