USNO is a town and district of the Valle Fértil Department, located roughly in the center of the named political unity, 11.5 kilometers, Northwest of Villa San Agustin, this center of the province of San Juan, Argentina.He is a population nucleus where the mode of rural life is the prevailing, whose economic activities are focused, in predominant form, in an agriculture of traditional type with the introduction of seasonal crops that in normal situation is for self-consumption ( 41 keep;. Also, product of a mountain environment with abundant vegetation and for being a point of passage to address Ischigualasto, Usno, can now be considered as a tourist site.Its main means of communication is the Provincial route 510