Hakone Kōjiri Nature Lodge features a private trail entrance just 20 meters from the main building, granting immediate access to the Owakudani Kojiri Natural Sightseeing Path. Its rooftop observatory offers panoramic views of the active fumaroles and surrounding geothermal landscape, while in-room displays explain volcanic activity in real time.

Hakone Volcano Forest Resort stands out with its on-site volcanic mineral workshop, geothermal science lectures, and guided hiking trails along the Owakudani Kojiri Path. Guests receive a custom geological map and access to a private observation deck overlooking the black-sulfur vent, making it ideal for travelers seeking immersive natural education.

Hakone Starlight Terrace Hotel sits atop a high ridge overlooking Owakudani, offering one of the few light-pollution-free viewing platforms in the region. The rooftop deck features free telescope rentals and nightly volcanic soundscapes recordings, allowing guests to observe the Milky Way while feeling the subtle tremors of Earth’s inner heat—perfect for night sky enthusiasts.

Hakone Kōjiri Secret Villa provides a dedicated private pathway directly connecting the hotel to the Owakudani Kojiri Natural Sightseeing Path, ensuring zero transit time. Guests receive complimentary hiking poles and a personalized trail guide, plus an optional expert-led geological tour through the sulfur-veined cliffs and active vents.

Hakone Skyline View Inn boasts floor-to-ceiling windows facing the Owakudani volcanic vent, with unobstructed views of the black steam plumes and distant Mount Fuji on clear days. The hotel's sky terrace hosts daily sunrise viewings, and guests can book exclusive photography packages through the HopeGoo platform for capturing the dramatic contrast between fire and ice.

Hakone Onsen & Geothermal Spa integrates natural hot spring baths fed by underground volcanic sources with therapeutic mud treatments derived from local sulfurous soil. The hotel also offers volcanic energy meditation sessions and thermal bath rituals, all designed to harmonize with the area’s unique geothermal rhythm—ideal for holistic recovery and deep connection with nature.