Battle of Torres Causana
Part of Ecuadorian-Peruvian territorial dispute
Ceremony for the raising of the national flag of Peru in the Peruvian Garrison of Torres Causana after the battle.
Date July 28, 1904 Location Napo River Result Peruvian victory The Peruvian Army takes control of the Torres Causana base, the mouth of the Aguarico River and the Napo River.
Belligerents
Peru	Ecuador
Commanders and leaders
Juan Chávez Valdivia Óscar Mavila Ruiz	Vicente M. Bravo † Lauro G. Becerra † Carlos A. Rivadeneyra
Strength
42 men	64 men
Casualties and losses
2 killed	38 killed 2 captured[1]

The Battle of Torres Causana or Battle of Solano was an armed clash fought on July 28, 1904, between troops from Peru and Ecuador at the intersection of the Napo River and the Aguarico River.

After the Angoteros attack occurred the previous year, the Ecuadorian government reinforced its military garrison on the Aguarico River, and later, the head of the Ecuadorian detachment, notified the now Major Chávez Valdivia to vacate Port Bolognesi or Torres Causana "because it is Ecuadorian territory". As a consequence of the Ecuadorian attack; which was rejected after two hours of combat.