Iwasu-so is a 2-star hotel in Nakatsugawa, Japan, about 6.1mi from the city center. Address: Hirukawa 4467-4.

Featured amenities include a restaurant, free private parking, free Wi-Fi, room service, meeting and banquet facilities, shuttle service, sauna, air conditioning, a bar, sun deck, terrace, garden, and non-smoking rooms. Massage and kids' meals are available for an extra charge.

The property has 45 reviews.

On-site dining shines at レストラン #1, with a welcoming bar and plenty of outdoor space to enjoy the breeze on the sun deck, terrace, and garden. After a day of exploring, a sauna provides a relaxing pause, while air conditioning keeps interiors comfortable. Non-smoking rooms help set a fresh, easygoing tone for every stay in Nakatsugawa.

Practical touches keep travel smooth: free private parking and free Wi-Fi are handy for arrivals and planning, and a shuttle service helps reach local sights. For events or meetings, meeting and banquet facilities are available, and room service adds convenient dining options. Massage and kids’ meals are available for an extra charge, and payment is flexible with cash accepted plus major cards such as American Express, Visa, Mastercard, Diners Club, JCB, NICOS, UC, and UnionPay.

Room options cover a range of preferences, including a Japanese-Style Room and several twin-bed and standard configurations. Examples include Room, 2 Twin Beds, Garden View; Room, 2 Twin Beds, View; Room, 2 Beds, Garden View; Family Room; Standard Room; and Superior Room. Most rooms accommodate 2 adults and either 0 or 1 child, and all listings are non-smoking. The property sits in Nakatsugawa, about 6.1mi from the city center, at Hirukawa 4467-4.