Forts in Peru

thumb|right|Sideways view of the walls of Sacsayhuamán showing the details of the stonework and the angle of the walls. thumbnail|Muyuq Marka thumb|Close up of stone wall

Chankillo is an ancient monumental complex in the Peruvian coastal desert, found in the Casma-Sechin basin in the Áncash Department of Peru. The ruins include the hilltop Chankillo fort, the nearby Thirteen Towers solar observatory, and residential and gathering areas. The Thirteen Towers have been interpreted as an astronomical observatory built in the third century BC. The culture that produced Chankillo is called the Casma/Sechin culture or the Sechin Complex. The site was awarded UNESCO World Heritage status in July 2021.

Acaray, also known as the Fortress of Acaray, is an archaeological site located in the Huaura River Valley on the near north coast of Peru (or the Norte Chico region). The impressive fortress is located on a series of three hilltops, each ringed with a number of perimeter defensive walls that have parapets and bastions, which stand as testaments to the military nature of the site. Radio carbon dating has established it was built about 900–200 BC and abandoned 1000–1470AD. Surrounding the hilltop fortress are lower-lying areas of occupation and extensive cemeteries, which have been heavily loot

cultural heritage site in Peru

fort in Lima, Peru