Hakone Detached Palace (Kohantenbokan)

Hakone Detached Palace (旧箱根離宮, Kyū Hakone Rikyū), once a summer retreat for Japan’s Imperial Family, is now open to the public. Situated on the southern shores of Lake Ashinoko, between Moto-Hakone and Hakone-machi, the site offers peaceful views.

Although only a small and simple building remains, the surrounding Onshi Hakone Park is worth the visit. The park features scenic walking trails and beautiful views of the lake and Mount Fuji, especially clear during colder months or early mornings and evenings.