In 2026, HOTEL THE MITSUI HAKONE to Open in Hakone Kowakudani, a Historic Site Connected to the Mitsui Family

Opening in 2026, HOTEL THE MITSUI HAKONE brings a new level of luxury to the scenic grounds of Kowakudani, Hakone—a location deeply tied to the legacy of the Mitsui family.

HOTEL THE MITSUI HAKONE will span an expansive 135,000 square meters of stunning mountain landscape in Hakone, featuring 126 guest rooms. This large-scale luxury retreat will be a distinctive addition to the area, offering a rare, immersive experience in nature.

Once home to the Mitsui family’s mountainside villas, the hotel’s grounds and surrounding area carry a rich history, adding to its unique charm.

Staying true to the brand ethos of Embracing Japan’s Beauty, HOTEL THE MITSUI HAKONE will deliver a guest experience that showcases the serene natural beauty and charm of Hakone.