Karuizawa, a mountain resort town in Nagano Prefecture, offers a unique blend of natural hot springs, golf courses, and easy access from Tokyo via the Hokuriku Shinkansen. For travelers seeking an onsen experience, the area boasts both traditional ryokan and modern hotels with spa facilities. Most accommodations cluster near JR Karuizawa Station, with onsen hotels like Kose Onsen tucked into the tranquil hills of Kose, a 15-minute drive away. Budget-conscious visitors can find ryokan-style stays with free WiFi and private hot spring baths, while those wanting more amenities can choose larger properties like Karuizawa Marriott Hotel, which features an open-air bath designed after Shiraito Falls and a 24-hour fitness center.
For a premium experience, The Prince Karuizawa offers a resort atmosphere with access to spa and hot spring facilities at its East and West wings, plus complimentary shuttle service from the station. Karuizawa Asama Prince Hotel, another top pick, scores 89 on Booking.com and provides magnificent views of Mount Asama from private balconies, an 18-hole golf course, and a spa. Breakfast is a highlight at many properties, with Japanese and Western options using fresh local ingredients. When booking, consider the distance from Karuizawa Station, as some hotels offer free shuttles while others are a short drive. For families, properties like Karuizawa Prince Hotel East offer ski-to-door access in winter and tennis courts in summer, ensuring year-round appeal.