The town of Altar is situated on the important Mexicali to Hermosillo Highway (Federal Highway 2). Most of the roads leading into the desert are not paved.
- Centro Comunitario de Atencion al Migrante y Necesitado (CCAMYN)
- Altar, Ayuntamiento Digital (Official WebSite of Altar, Sonora)
- Pulitzer Center Project on Illegal Immigration
- MotherJones.com article on the mexican exodus across the desert
- Article on illegal immigrants from MSN
- Braceros: sanctuary for border crossers
- Altar, tierra de coyotes Article in Spanish about illegal border crossing