Errenteria (Mugaritz) ★ 4.8
Errenteria, 10 km east of San Sebastian between Astigarraga and the border, is the home of Mugaritz, Andoni Aduriz's two-Michelin-star room and one of the world's most influential tasting menus.
Tip: Book 2 to 3 months ahead via mugaritz.com. The 250-euro tasting menu is the canonical avant-garde Basque meal.