Nasu Onsen is a popular hot spring resort located in Nasu, a mountainous area in Tochigi Prefecture, Japan. Known for its natural beauty, the region features lush forests and scenic views, making it a perfect getaway for relaxation and rejuvenation. The onsen offers various types of baths, including outdoor and indoor options, allowing visitors to enjoy the therapeutic benefits of mineral-rich waters. The area is also home to several ryokan, traditional Japanese inns, where guests can experience authentic Japanese hospitality. In addition to hot springs, Nasu Onsen is close to attractions like Nasu Animal Kingdom and Nasu Highland Park, providing opportunities for outdoor activities and family fun.