We are located inside a national park. Gushing hot springs and Japan's largest caldera lake spread out before your eyes A unique space where you can enjoy dialogue with overwhelming nature Discover a Truly Unique Stay in Harmony with Nature Lakeside Hot Spring Bliss Immerse yourself in a private open-air hot spring that seems to flow directly into the serene lake. From your deck, enjoy panoramic views of mountain ridges, gentle waters, and the soothing sounds of nature. Sustainable Luxury Experience comfort with a conscience. Our eco-friendly suites use solar power and geothermal energy, housed within one of Japan’s most thermally insulated buildings—ensuring a pleasant stay in any season. Total Privacy & Freedom With a private kitchen and no staff intrusion unless requested, enjoy your own pace and space. Plus, the lake is right at your doorstep—perfect for swimming, fishing, canoeing, or stand-up paddling.

Explore Nature at Your Own Pace — Right from Our Lakeside Retreat Located within a beautiful national park, our retreat is a gateway to unforgettable outdoor experiences. Whether you're seeking peaceful reflection or adventurous exploration, the surrounding nature offers something for everyone. Right at your doorstep, enjoy guided fishing tours, canoeing, or stand-up paddleboarding on the calm, scenic lake. Venture beyond, and you'll find forested walking trails, invigorating trekking routes, horseback riding adventures, and gentle river rafting through crystal-clear streams. Or simply relax on your private deck, watching the mountains shift in color and mood as the day goes by—no schedule, just serenity. We’re happy to help you create a stay that matches your pace and preferences. Feel free to ask us for personalized activity suggestions.