As are the neighbouring Petacas, the volcano is part of the Doña Juana Volcanic Complex,[2] and lies northeast of the main volcano and southeast of the Petacas.[3] The products of the volcanic activity of the volcano have been found in San Pablo, Nariño.[4] The activity of the volcano has been noted as prehistoric.[5]
Núñez Tello, Alberto (2003), Cartografía geológica de las zonas Andina Sur y Garzón-Quetame (Colombia) - Memoria explicativa de las planchas 411 La Cruz, 412 San Juan de Villalobos, 430 Mocoa, 431 Piamonte, 448 Monopamba, 449 Orito y 465 Churuyaco, INGEOMINAS, pp. 1–298