The Ullals of Baltassar are fresh water springs surrounded by eucalyptus trees that form a unique landscape.
It’s an area of permanent continental freshwater upwelling, formed from the rain that fall down in the mountain ranges, which are the Montsià range, Massís dels Ports and Serra del Boix-Cardó.
It is a unique landscape, surrounded by eucalyptus and rice fields, located between Amposta and Sant Carles de la Ràpita.
There is wildlife such as turtles, birds, frogs and flora, such as eucalyptus groves and the presence of water lilies.
In 2009, the Park Natural Delta de l’Ebre bought the Ullals de Baltasar estate, where are around 50 formations of various diameters with depths ranging from 0.5 to 9 m.