Sumiyosiya Ryokan is a four-star retreat in Kusatsu, Japan, blending traditional ryokan charm with modern comforts. The address is Toyosato 8713, Nozawa Onsen, and the property sits about 22,9 mi from the city center, offering a quiet base for exploring the area.

Seasonal and practical amenities shine: skiing, free private parking and on-site parking, adults-only atmosphere, free wifi, and free air conditioning. The hot spring bath is free to enjoy, while non-smoking rooms, a bidet, free toiletries, and a bathtub add comfort. Additional options include massage (extra charges) and kids' meals (extra charges).

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Sumiyosiya Ryokan invites travelers to a four-star retreat where traditional ryokan charm meets contemporary comfort in Kusatsu. The setting carries an adults-only atmosphere, offering a peaceful respite after mountain adventures. In-season skiers will find the area inviting, and complimentary parking—both private and on-site—along with reliable Wi-Fi and cooling comfort, helps keep plans easy. A free hot spring bath adds a soothing touch to winding down evenings.

A diverse lineup of Japanese-style rooms awaits, including options such as Japanese Style, Twin; Superior Japanese Style with Garden View; Annex Superior Japanese Style; Annex Japanese Style Corner; and a Standard Room. Room sizes and layouts vary, and some options feature shared bathrooms for a communal twist.

For practical planning, only cash is accepted. Extras include massage services and kids’ meals, both available at additional charge. Enjoyable options and a traditional-meets-modern vibe make this retreat a playful, memorable base for exploring the area.