There is new Mezcaleria in San Miguel de Allende in the state of Guanajuato (SMA GTO for short).
La Botica Mezcaleria is a tiny place three blocks from the Jardin in the center of town, but they have a wide selection of Mezcals to sample. La Botica also has seven locations in D.F.
La Botica Website: La Botica Mezcalería
Map to La Botica in SMA: La Botica Mezcaleria » Maps of San Miguel de Allende, Guanajuato, Mexico