The city's most ambitious restaurant, holding a Michelin star and a long-running reputation for elegant Basque cooking. Chef Patxi Eceiza works with seasonal local ingredients — game, mushrooms, the Bay of Biscay's best fish — in two tasting menus and a short à la carte.
Service is formal but not stiff; the wine list is one of the deepest in the city. Avenida Gasteiz, 21. Closed Sundays and Monday evenings; reservations essential.