Doña Juana is a stratovolcano, located within the Doña Juana-Cascabel Volcanic Complex National Natural Park in Nariño, Colombia. With a previous eruption of VEI 4, Doña Juana is rated as a "large" volcano of "cataclysmic" destructive power. During its last eruption, in 1906, more than 100 people were killed and many houses were destroyed.