According to popular legend, in 1835, Don Pedro Medina, a poor, old farmer, saw from the outside of his home in the countryside an intense light, coming from the Cerro Gordo.

On the inside, it is decorated by the main altar, constructed entirely of white marble from Carrara, and the sculptures of the four Evangelists, sculpted by the Italian architect Augusto C. Volpi, whose depiction of St. John is very detailed.

Another feature of this church is its clock, located on the south tower, facing the Plaza de Armas, which has been giving the time to the residents 141 years non-stop.

It was in 1727, that the older "town hall" was expanded with the terrain donated by Mrs. Elena de la Rua, and after it started functioning as city hall, it was completely remodeled from 1905 to 1908 under the direction of Don Francisco de Paula Palomar, who designed it with a near-neoclassic style, mixed with French Baroque in its decor; and in 1954, it was added to the design its current aspect, so jolly, and unique in the western Mexico.

Around the same time Almíndez Chirinos arrived, a group of Franciscan Friars Christened the area, built the first church by the name of San Francisco de Asís, and evangelized the natives.

During the regime of the Second Mexican Empire under Maximilian I of Mexico, according to the provincial statute of 10 April 1862, Tepatitlán, together with most other villages in the Los Altos region, became part of the Department of Aguascalientes.

The canyon of the Rio Verde, with its tropical climate at the bottom, about 500 m deep, contains isolated hot springs, visited by animals in colder months.

Elusive, and present in smaller numbers, are the wild felines, the bobcat, jaguar, jaguarundi, ocelot, and puma (mountain lion or cougar).

Many birds are common or migrate to the area, including caracara, crows, doves, eagles, egrets, falcons, grouse, guan, hawks, jays, owls, ravens, vultures, wild turkey, as well as numerous hummingbirds, passerine species, pigeons, starlings and songbirds.

Ash trees grow in abundance, as opposed to the once-plentiful oak groves; demand for firewood has depleted their previously vast numbers.

[8] It was announced, in 2009, that the Federal Government would spend around 350 million pesos on the construction of the Centro Nacional de Recursos Genéticos, which is a part of an ecological preserve.

The Government of the municipality of Tepatitlán de Morelos is organized into the H. Ayuntamiento (City Council), which is composed of 17 members from a number of agencies.

These include the Presidential Coordination (C. María Elena de Anda), General Secretary, Higher Administrative Office and other departments.

The campus offers 15 undergraduate degrees, including business administration, law (LLB), international business, accounting, livestock engineering systems, computer engineering, agribusiness, medicine, nursing, nursing in nutrition, dentistry, psychology and veterinary medicine, as well as a master's degree in animal nutrition.