This one-of-a-kind facility offers a diverse range of hot spring baths, each with its own distinctive theme and atmosphere. Guests can immerse themselves in traditional Japanese onsen culture while enjoying the therapeutic benefits of the region's natural mineral-rich waters. What sets Hakone Kowakien Yunessun apart is its playful twist on the traditional onsen experience, featuring themed baths such as wine baths, coffee baths, and even green tea baths, providing a fun and immersive journey for all ages. Additionally, the facility boasts exciting water attractions, including slides and pools, ensuring endless enjoyment for families and thrill-seekers alike. With stunning views of Mount Fuji and lush forest surroundings, Hakone Kowakien Yunessun offers a tranquil retreat where guests can unwind, rejuvenate, and create lasting memories amidst the beauty of Hakone's natural landscape.