Oconahua is an indigenous community where is located the Ocomo Palace, one of the most important archaeological sites in western Mexico.
The delegation Oconahua, located in the municipality of Etzatlán about 20 miles west of Tala on highway 4, holds the Ocomo Day celebration annually on the 2nd of May since 1996, organized by the teacher Acelia Garcia de Weigand.
The Palace Ocomo, as an archaeological site, dating back to a thousand 100 AD and is the culture that follows the tradition of the Guachimontones Teuchitlán. It is a monumental tecpan among the largest buildings in the entire Republic. This has given an identity and pride to its residents.
After two years a team of archaeologists, alumni Weigand at El Colegio de Michoacán (COLMICH) returned to surface excavations that began two months ago and will run for approximately five years. The work is funded by the Ministry of Culture of Jalisco, and this year has a budget estimated at 2 million 500 thousand pesos.
In two months of excavation, archaeologists have uncovered much of the original floor of the palace. With the progress of their work they might find inside the main structure graves, hearths, burials, warehouses.