This site features the presence of shaft tombs, ceramics offerings, storm drain systems, avenues and an administrative and religious center with numerous monuments.

During prehispanic times, the region occupied by the modern-day state of Colima was seat of various ethnic groups which flourished in western Mexico.

At the beginning of the 16th century, Purépecha groups dominated several regions, with the Tzacoalco salt mines owned by Tecos.

[1] Other sites known in the region: Settlement of a sedentary Capacha Culture group dedicated to agriculture and ceramics production, their life span was between 2000 and 1000 BCE.

[2] Archaeologists assign a period between 300 BCE and 300 CE; located southwest of Colima, in the vicinity of the Los Ortices village.

This native settlement was more evolved than the Capacha site, they produced finer pottery, also made stone sculpture and buried their dead in "shaft tombs", very characteristic of the region.

In the mid-20th century a step pyramid was found; at the beginning of the 1990s, discovered esplanades, temples, squares and a ballgame court: architectural evidence of a culture that had reached a high degree of evolution.

[3] It is important to note the presence of streets, a storm drainage system of and a religious and administrative center, with numerous monuments, as well as housing areas, areas with homes erected on platforms both circular and rectangular, with cane and adobe walls and palm ceilings, per the needs of a highly seismic region.

[3] The economy and development of La Campana was influenced by its geographical location in the Valley of Colima, because luxury goods, agricultural products, raw materials and other trade products converged here, from both the west coast and the center of Mexico Also it is considered that at its heyday exercised control over other smaller settlements.

A large religious and political-economic control center, but as in many other sites (e.g. Calixtlahuaca) in the 16th century Franciscan friars of the region used material extracted from the prehispanic platforms for their constructions.

From the central point of the site towards the north is a 4 m wide avenue with side stone walls, defined communication element with other settlements, for example El Chanal locate about 3.5 kilometers northwest.

The constructive system, characteristic of the region included: "round stones" brought from nearby rivers, jointed with clay mortar and finished with fine stucco, subsequently heated (cooked) for hardness and durability.

Recovered ceramic, although not abundant, probably due to looting suffered for decades, offers interesting data about this culture.

La Campana, which was named by its casual discoverers by the appearance of the mound where it was found, is a place that holds evidence of Mexico western cultures.

La Campana section explored in the first season (1995) is located in a square with a network of decanting drainage wells to dislodge rainwater.

It includes Structures 1 consisting of overlaid platforms, in the front, a stairway adorned with stone cubes, resembling a wall (alfarda).

At the top is a large structure; inside has circles that define wells, probably used to stored grains and ashes of important people, perhaps priests or warriors killed in battle.

In the center is a pyramid altar; its architectural features make it the only building erected on three stepped platforms, the sloped shape resembles the silhouette of the Fuego Volcano, which is assumed was an important cult object at the time.

Several shaft tombs were found, with various offerings, domestic and ceremonial type, intended to accompany the deceased in their journey to the underworld.

7, which besides in addition to the vault where various fragments of human bodies were buried, has a stepped corridor and major offerings that include a dog and clay mask.

It is located at the square center, its base measures 20 by 20 m. Its shape depicts a volume and geometry arrangement, with a slender and unique silhouette.

It is located northwest of the square, its base is 43 by 9 m; It is large and its construction is made with from overlaid stepped platforms similar to Structure 1.

This building is characterized by its enormous slopes and corridors that define different bodies; their shape and orientation obey Mesoamerican astronomical-religious and geometric concepts.

This structure has a rattle (Cascabel) snake sculpted in stone at the bottom of the access 1; it is symbolically related to the water cult.