Ryotei Kagetsu

Kagetsu is one of Japan's most historically resonant restaurants, a traditional ryotei in Nagasaki's old Maruyama district that has been serving guests since 1642. In the Edo period, when Nagasaki was Japan's only window to the outside world, Maruyama was its famous pleasure quarter, and Kagetsu entertained merchants, officials and cultural figures within its elegant rooms. To dine here is to eat inside a genuine piece of the city's — and the nation's — history.

The restaurant's cuisine is shippoku, a style found almost nowhere else and utterly characteristic of Nagasaki. Shippoku is a communal banquet in which Japanese, Chinese and European culinary influences are served together at a round table — a delicious edible expression of the cosmopolitan port that welcomed Chinese and Dutch traders when the rest of Japan was closed. A shippoku course might range from clear Japanese soups and sashimi to Chinese-style braised pork and Western-influenced dishes, shared from central platters in a spirit of hospitality quite different from the individual servings of standard kaiseki.

Kagetsu's rooms and garden are themselves part of the draw. The building preserves tatami dining rooms, a classic Japanese garden and centuries of accumulated history, including a pillar that bears a sword cut popularly attributed to the celebrated late-Edo reformer Ryoma Sakamoto, who is known to have frequented Nagasaki. Displays and the building's very fabric turn a meal into a brush with the samurai era and Nagasaki's role in Japan's opening to the world.

This is fine dining, and it is treated as such: meals are by reservation, served as multi-course banquets, and priced accordingly, so a visit is best planned as a special occasion rather than a casual drop-in. The reward is not only the food but the setting and the sense of continuity — the same rooms, the same style of cuisine, the same tradition of hospitality carried across nearly four centuries.

Kagetsu lies in the Maruyama and Shianbashi area, historically the city's entertainment heart and still its liveliest quarter after dark, a short walk from the Shianbashi tram stop and central Nagasaki. Booking well in advance is essential, and it is worth asking about the history of the rooms when you reserve. For travellers who want to understand why Nagasaki's food is unlike anywhere else in Japan — and to experience it in the very place where that fusion was refined — a shippoku banquet at Kagetsu is unforgettable, as much a history lesson as a meal.