Pucará de Cerro La Muralla (Pucara of Wall's Hill) is a Pucara (Fortress), probably Inca on a strategic mountain top, five km to the south of San Vicente de Tagua Tagua, to the south side of the dry lagoon ( Laguna de Tagua Tagua). This is southernmost pucará of the Inca Empire.

The Inca invasion, having advanced beyond the Choapa river, came to picunche territory. They established in the zone several Tambos and at least one Pucará placed in the top of Cerro La Muralla. Located in the strategic top of the hill, Tape-worm is to the south side the lagoon of Santa Inés ( Laguna de Tagua Tagua). It is presumed that this strength was used as point of observation or defense barracks, since from here, the north valley can be controlled. As the south basin that was giving to Tagua Tagua's lagoon.

In the top of the Hill, the walls tracing an eagle in flight like another Inca structures. It has three defensive walls and two sectors with housings. Abundant ceramics and stone cups have been found. To 100 m of the first wall they realized works of recognition in the strength, that alone them esplanade, that apparently served as field of cultures. Evidence is that this construction was effected by the Incas, due to the work of the stone in blocks, the dimension of the enclosures and the structural terrace shapes of some sectors. Integral forms a part with Laguna de Tagua Tagua, since it does not have south wall, which was covered by the lagoon.

Claudio Gay described his ascent to Cerro La Murall, which then was called an Inca fortress. In 1974, scientists of the Museo Nacional de Historia Natural de Chile, decided that this Indian fortress was constructed before the arrival of the Spanish to this place.

Current importance
Nearby is an image of the Virgin of Fátima, since habitual age in the Spanish Conquest. Any suspicious site of adoration to other deities was covered with icons of Catholic adoration. In this sector every year on the second Sunday of September celebrates a mass, to which he represents a parishioners' great quantity. This hurts the archaeological site. , February 2009

At San Vicente of Tagua Tagua there are a project to have a museum and to recover the pieces extracted in the zone and that were extracted of the place by the investigators. In addition one tries to create museums in situ, and to medium term a route controlled to the pucará of The Wall.

  • Rubén Stehberg, Fortaleza La Muralla, San Vicente de Tagua Tagua.