The about 45 metres high and 120 metres wide Saltos del Monday (Monday River) is situated in the south of the city Ciudad del Este in Paraguay.
Paraguay 2004, Saltos del Monday.
Paraguay 2012, Saltos del Monday.
The stamp was issued in the sheet "La Tierra Donde Nace El Agua" World Expo 2012 Yeosu, Korea.
Paraguay 2017, Guaira - Mirador Cerro Akati & Saltos del Monday.