At Koshu City's Katsunuma Budokan, guests can unwind in the accommodation facilities after enjoying wine tasting and soaking in the hot springs. With a variety of room options including Western and Japanese-style rooms, visitors can relax and take in the natural beauty of Yamanashi. The onsen baths are sourced from 100% natural spring water, and guests can also enjoy the "Tenku no Yu" open-air bath for free. It's the perfect spot to escape the hustle and bustle of the city and have a laid-back holiday experience.