The area around the Morro Solar was once a pre-Columbian town known as
Armatambo.
Following the Spanish conquest of Peru, however, the hillside settlement was
abandoned (no trace of it remains today due to neglect and willful destruction)
and forgotten, as the Indians began to move down to shore. The resulting town
of San Pedro de los Chorrillos was officially established as the District of
Chorrillos on January 2, 1857.
The district's territory was the setting of important
episodes in the War of the Pacific against Chile (1879–1883). The so called
Battle of Chorrillos took place in