The village near which the archaeological site is located, whose foundations date back to 1622, was called San Nicolas Tolentino in the Place of the Frogs, why the site was named "Frogs" by Bartholomew I assigned Ballesteros in 1872. Importance This archaeological site is paramount and is nestled southwest of Sierra Gorda place where there was a cultural development during pre-Hispanic times, Frogs was strategically built that allowed him to control access. It is a site associated with the exploitation of mineral wealth larger of the Sierra Gorda: cinnabar, which played an important role by being a pigment in high demand among the Mesoamerican peoples.Probably it corresponds to a Teotihuacan-Toltec period (between the seventh and eleventh centuries), and possibly as a cultural extension of the plateau to the coastal plain of Veracruz.The economy of the peoples who inhabited the Sierra Gorda was based on a mixed strategy, where mining, hunting-gathering and seasonal agriculture were components of the production unit. The mining economy is a special case in Mesoamerica and Frogs evidenced by the distribution and amount of mining works in the region. Only in the pre-Hispanic archaeological site about 14 mine entrances are concentrated. The chronology goes from the Middle Preclassic to Postclassic, 400 to 1300 d.

Services at the archaeological site are available the following services for public visits: provisional parking, restrooms, two informative bonds, five explanatory and four restrictive.

Finally, there is a mini-guide of the archaeological site of Velasco Mireles, Margarita.

INAH - CNCA, 1991. reissues in 1994 and 1997.

HERRERA, Alberto. CNCA-INAH, 2000 and Herrera, Alberto, INAH-CNCA, (in press),

which visitors to the site can see.

Hours Monday through Sunday from 9:00 to 17:00

Contact address Queretaro INAH Center Queretaro INAH Center 01 (442) 2 12 01 72.

No. Balvanera. . 2 Zona Centro, CP 76000, Queretaro, Queretaro, Mexico

Recommendations: Normally it's cold so it is recommended to warm, comfortable clothes, tennis shoes or light boots and half water to hydrate.

To access the site Frogs need to move to the town of San Joaquin, in the municipality of the same name. From Mexico City, take the Mexico-Queretaro (No. 57) Freeway to the city of San Juan del Rio, where the diversion to Tequisquiapan, Cadereyta (Federal Highway No. 120) is taken and passing the town of Montes Vizarrón 7 kilometers north is the paved deviation of 32 kilometers, to San Joaquin. The archaeological site is 3 kilometers north of the latter, where there vans public service, or if you prefer walking.