RIOJA: Alavesa=west of Logorono on north bank of Ebro, foothills of Cantabrian mountains, lightest wines of Rioja,500-800m; Alta=larger area, west of Logrono, 500-800m, climate moderated by Atlantic; Baja=east of Logrono, hotter summers, more severe winters, climate less maritime; Tempranillo does best in west, benefits from body + alc. of Granacha; Mazuelo + Graciano = supporting role in blends; oak has defining role; 8 white varieties, Viura (macabeo) most widely planted and used to used to make oxidised wines