Its source is located in Maresana in the municipality of Ponteranica, then Morla crosses the city of Bergamo, after Bergamo part of its waters are used in agriculture.
Genoese family of Fíeseos who participated in the capture of Seville and Jerez in the service of Kingdom of Castile Fernando III and Alfonso X. His parents were Francisco de Morla and Francisca Martinez Obertos de Valeto, the daughter of Miguel Vargas Obertos de Valeto and Juana and Martinez Trujillo.