While Ecuador had to give up its decades-old territorial claims to the eastern slopes of the Cordillera, as well as to the entire western area of Cenepa headwaters, Peru was compelled to give to Ecuador, in perpetual lease but without sovereignty, 1.0 sqkm of its territory, in the area where the Ecuadorian base of Tiwinza – focal point of the war – had been located within Peruvian soil and which the Ecuadorian Army held during the conflict.