[9] This Inca center was designed after what is called the Architecture of Power, the concept where buildings and spaces are intended to reinforce the image of the empire's might.
[10] The pyramidal platform that was invariably erected in the center of the plaza or to one side of it was a stage from which officials could preside over state ceremonies.
The main north-south highway, the Qhapaq Ñan, extending from Cusco to Quito, Ecuador, passes through Huánuco Pampa.
[12] The ceremonial sections of Huánuco Pampa display rare, finely cut and fitted, Imperial Inca style masonry and appear as unusual building types.
The connecting walls on the eastern side of the central plaza is called the kallanka, which are large building made from high quality pirqa masonry rather than cut and fitted stones.
[13] The interior of the Casa del Inca is made up of fifteen structures which open to the central courtyard and serve multiple purposes.
There are houses, baths made of Inca style masonry, terraces, sunken gardens, pools and possibly a temple, which may have never been completely finished before the city was abandoned.
The ushnu is found at several other Inca sites and may have been used by important leaders for public events of political, administrative or ceremonial natures.
[15] When it came to for ceremonies or other large event where people would come into the land for a set amount of time, it was not rare to find Inca art work.
[18] It was at Huáanuco Pampa where the first conquerors founded a city in 1539 which due to the coldness of the climate was then transferred to the pleasant and temperate Pillco valley that lies on the Huallaga River.
The city may have been an extremely important redistributive center supplying the provincial villages of the area it administered with the products of other regions.