| Designations | |
|---|---|
| Official name | Sistema Lagunar Alvarado |
| Designated | 2 February 2004 |
| Reference no. | 1355[1] |
| area | 267,010 ha |
| coordinates | 18°39′N 95°51′W / 18.650°N 95.850°W |
The Alvarado Lagoon System is a large estuary and wetland complex in Veracruz state of eastern Mexico. It is located on the southern Gulf Coastal Plain, where the Papaloapan and Blanco rivers meet the Gulf of Mexico.