Following the Inca road that started in Yanahuanca towards Quito, there is an important administrative Inca center and Tambo, known today as Huanucopampa, located 6 km. from La Union on a plateau, at 4,000 mts. above sea level.
Huanucopampa has been object of special interest for chroniclers and history writers whom have classified this place as Inca style.
Resuming the studies that have been done in the ruin and according to its location it has been divided into 4 groups.
The first one is the USHNO,(Inca Castle), a big rectangular building, with out roof, constructed on a platform, located at the center of this great terrace.
The second group, LAS PORTADA, close by the Ushno, formed by rectangular buildings. They are divided in 4 parallel compartments or rooms and a series of trapezoid doorways that go across the central part.
The third group,the ACLLAWASI, that are rooms in diferent shapes, surrounded by a rock wall, at the north-east of the castle.Finally, the forth group, west old the castle(VIVIENDAS & COLCAS). The houses formed 4 rows, almost horizontal with the hills, giving the aspect of streets. Its suppose to be a group of rooms that were used as storage for food (Tambos).
Huanucopampa had an extension of almost a kilometer long and about 200 meters wide.In this place it was founded, the city of Leon de Huanuco, which later on it was moved to the Huallaga valley.
