| Manchón-Guamuchal Nature Reserve | |
| Location: | San Marcos, Retalhuleu, Guatemala |
| Coordinates: | 14.4797°N -92.1231°W |
| Area Km2: | 135 |
| Visitation Num: | allowed |
Manchón Guamuchal is a litoral wetland zone situated along the Pacific coast of Guatemala. It is one of the last remaining mangrove forest area on the pacific coast of Guatemala and an important stop for migratory birds. It was declared a Ramsar site in 1995.[1]