Hakone Kowakien Yunessun is a hot springs spa resort and water amusement park located in the spectacular scenic surroundings of Hakone, Japan.

We have a unique blend of traditional Japanese onsen (hot springs) and water recreation services and activities. Hakone is considered the most popular Onsen (Hot Springs) resort areas in Japan, and Yunessun takes full advantage of the abundance of high quality hot springs in Hakone. At Yunessun, we also provide a wide variety of spa resort services and water attractions for both adults and children. Also located in our resort, is a very large shopping mall called the Mio Mall, showcasing local products from Hakone. From spa facilities in European style, to Onsen in the traditional Japanese style, to fun and wild water recreation amusements, Yunessun has a unique blend of relaxation and water recreation for people of all ages.