|Municipality and town|
|• Total||673.63 km2 (260.09 sq mi)|
|Elevation||800 m (2,600 ft)|
|Time zone||Central Standard Time (UTC-6)|
|• Summer (DST)||Central Daylight Time (UTC-5)|
The municipality covers an area of 673.63 km2 (260.09 sq mi). The Cerro de las Flores is the highest mountain in the Isthmo region at 2,200 meters (7,200 ft) above sea level. The climate in the lower south side of the mountains is hot, with a constant wind from north to south. Flora include pine, oak, mango, avocado, sapodilla, tamarind, plum, granaditas, peach and banana. Wild fauna include tapir, badgers, cat, raccoon, armadillo, rabbit, boar, porcupines, coyotes, parrots and various reptiles.
As of 2005, the municipality had 1,110 households with a total population of 4.361 of which 2.339 people who speak an indigenous language. The villagers grow coffee, maize, beans and chiles, raise cattle and log the cedar, pine and oak trees. They practice hunting and fishing for private consumption. The Union of Indigenous Communities of the Isthmus Region, a cooperative founded in 1982, assists in production and distribution of the local products, notably coffee, under fair trade or organic labels.
There are copper, iron, gold and quartz mines in the vicinity. Arco Resources of Canada owns two mining claims near the town, El Pochotle and El Pochotle II, which it is investigating for precious metals. Continuum Resources, another Canadian company, also has 3000 hectares of mining concessions near Santiago Lachiguiri. These include older mines that in the past were used to access silver-rich zones of lead-zinc sulphides and oxides.
- "-". Enciclopedia de los Municipios de México. Instituto Nacional para el Federalismo y el Desarrollo Municipal. Retrieved June 12, 2009.
- "Union of Indigenous Communities of the Isthmus Region" (PDF). GPIAtlantic. Retrieved 2010-07-18.
- "Arco's Lachiguiri Property Meets Minimum Listing Requirements". Arco Resources. May 5, 2010. Retrieved 2010-07-18.
- "Continuum reactivates 100% owned Lachiguiri Project in Oaxaca State, Mexico". Continuum Resources Ltd. Sep 24, 2007. Retrieved 2010-07-18.