Meandro del Say is a wetland, part of the wetlands of Bogotá. It spans the locality Fontibón of Bogotá and the eastern part of Mosquera, Cundinamarca. Meandro del Say is located close to the Bogotá River with a total area of . The Avenida Centenario borders the wetland in the northeast. Meandro de Say is situated in the Fucha River basin.
In Meandro del Say, 22 bird species have been registered. The wetland hosts among others the blue-winged teal (Anas discors), northern shoveler (Anas clypeata), masked duck (Nomonyx dominicus) and spot-flanked gallinule (Gallinula melanops bogotensis).