Costanera Sur Ecological Reserve
| Designations | |
|---|---|
| Official name | Reserva Ecológica Costanera Sur |
| Designated | 22 March 2005 |
| Reference no. | 1459 |
Buenos Aires Ecological Reserve (Spanish: Reserva Ecológica de Buenos Aires), also known as the Costanera Sur Ecological Reserve (Spanish: Reserva Ecológica Costanera Sur), is a 865-acre (3.50 km2) tract of low land on the Río de la Plata riverbank located on the east side of the district of Puerto Madero in Buenos Aires CBD, Argentina.