Hotel Green Plaza Karuizawa  

Set in Tsumagoi, about 7 km from the town center. A 1‑minute drive from Karuizawa Toy Kingdom and roughly 6 minutes to Onioshidashi Volcanic Park. Hoshino Onsen Hot Spring sits about 18.4 km away and Yubatake about 22.2 km.

Large, air‑conditioned property with 380 rooms. Rooms include refrigerators, flat‑screen TVs, private baths (bathtubs or showers), complimentary toiletries, hair dryers, safes and electric kettles. Family‑friendly touches include playrooms for kids, elevator access and 24‑hour front desk service.

Pamper yourself at the on‑site spa center with massages and a sauna. Free self parking is available and a bus station shuttle runs for a surcharge. Laundry services, accessible facilities and concierge basics keep things easy. Wake up to crisp inland air and recharge after a day of exploring.

Complimentary wireless internet throughout the hotel keeps you connected. Free self parking and elevator access add convenience for business travelers.

Two on‑site restaurants serve local flavors and regional dishes. Grab a relaxed meal after a day of sightseeing or spa time.