Usnu, Ayacucho

Usnu is a ceremonial complex in Vilcas Huamán featuring stone platforms and altars situated within the mountainous landscape of Ayacucho at high elevation. The structures display careful stonework and occupy a prominent location on elevated terrain.

The site developed during Inca times as a sacred place where emperors conducted religious ceremonies and military reviews. It served as a key location for administrative and governmental activities.

The stone altar shows how Inca leaders connected their authority with spiritual power in the eyes of their people. Religious and political functions happened together in this space.

The site is best reached through organized tours from Ayacucho city, where local guides explain the structures and their context. Since it sits at high elevation, visitors should allow time for acclimatization and bring appropriate clothing.

The elevated platform contains architectural elements aligned with astronomical events, revealing the advanced mathematical knowledge of its builders. These alignments helped mark important moments in the calendar year.