an Bartolo Mezcal Artesanal is produced in the San Bartolo Yautepec valley in Oaxaca by maestro mezcalero Valentin Martinez Lopez using 100% maguey Espadin (agave Angustifolia). The family of Valentin Martinez Lopez have been making Mezcal for more than four generations. San Bartolo Mezcal Artesanal is a dream come true for Lopez and his grandson, who sought to represent their village and their values by creating this sustainable Mezcal brand.