Cruz Alta Department is a department located in the east of the Tucumán Province, Argentina. In 2001 its population was 162,240 (2nd in the province) largely located in the Banda del Río Salí-Alderetes Area (northwest). The Department seat is the city of Banda del Río Salí.
Plains occupy all of the department’s total area (1,255 km²) stretching from the outskirts of the Greater San Miguel de Tucumán Area in the west to the Santiago del Estero Province border in the east. The Salí river forms its western boundary.
Coordinates: 26°50′24″S 65°09′43″W / 26.84000°S 65.16194°W