The name San Pedro Cahro derives from the town's patron saint and the last name of its original founders; Venustiano Carranza was a land owner and liberal politician who served as President of Mexico from 1917 until his death in 1920.
Important spots in the town near the central square include a 17th-century church which has a clock tower.
You can see mountains in the southeast part of town rumored to have a huge cross on a spot were La Virgin de Gaudalupe was seen.
Experts from National Autonomous University of Mexico concluded that the high temperatures were caused by composting of buried organic material, not volcanism.
[3] From 21 to 29 June each year, a 9-day festival is celebrated commemorating the founding of the town and its patron or saint San Pedro.