Mercure Nagano Matsushiro Resort & Spa — stylish comfort in a historic setting Set amidst the mountains of Nagano, Japan, this 4-star hotel places you just 0.5 mi (801 m) from Matsushiro Castle and a short drive to the Matsushiro Underground Imperial Headquarters. Enjoy complimentary Wi‑Fi throughout, a full‑service restaurant, and a dedicated spa and wellness centre with sauna and relaxation lounge. An indoor play area keeps younger guests entertained, while a free shuttle service eases travel to nearby points of interest. The atmosphere blends relaxed elegance with family‑friendly touches, offering spacious rooms and attentive service in a tranquil, non‑smoking environment. Whether exploring historic sites or unwinding in the spa, Mercure Nagano Matsushiro provides a balanced retreat that feels both welcoming and refined.