There they formed an alliance known as Coalition of the North, of Unitarian inspiration, which assembled powerful forces in the fight against Juan Manuel de Rosas and his allies.
In order to open new fronts, he sent two divisions, one to Santiago del Estero, which failed without a fight, and another to Cuyo, which was destroyed at the Battle of San Cala.
Oribe also marched towards Tucumán, wishing to finally resolve the war, while sending general Ángel Pacheco after Lamadrid.
After trying to avoid the enemy main force in order to buy time to reinforce his army, Lavalle waited for the Federals on the north bank of the Famaillá river, about 40 km (25 mi) south of the provincial capital.
Lavalle's forces comprised about 2,000 men, and the federal army about 2,200, after general Eugenio Garzón's, moved out to occupy the city of Tucumán.