Around Lockheart Castle × Detox AccommodationRecommended Hotel·Ryokan

A tranquil property along the Tone River with distant views of Mount Tanigawa, "Tatsumikan." The mountains surrounding the property change their appearance with the seasons, and the river provides a constant soothing murmur. A place to truly be yourself... and enjoy time doing nothing. From the depths of your heart, relax... and unwind...

We offer a "Full Order Style Dinner," where you can enjoy freshly prepared dishes served one by one, unlike buffets or all-you-can-eat options. Each dish is crafted with the quality of fine Italian cuisine by our former Executive Chef of Palace Hotel Tachikawa. You can savor your favorite dishes freshly made each time, creating a unique dining experience tailored just for you.The onsen features the renowned Sarugakyo Onsen water, known for its skin-beautifying properties. Enjoy it as much as you like during your stay. From rooms with semi-open-air baths to casual accommodations, we provide guest rooms suited to your preferred style of stay. Immerse yourself in the tranquility of nature while indulging in exquisite cuisine and relaxing onsen.*Please note that we do not accommodate guests who are preschool-aged or younger.*

Our large public bath features free-flowing natural hot spring water from the source and is located in Sarugakyo Onsen. With high ceilings and a bright, open atmosphere, it offers separate bathing areas including a rock bath and a hinoki cypress bath, so you can relax at your leisure.In addition, our open-air bath lets you enjoy a rock bath while surrounded by nature.

You can enjoy five different baths and seven unique tubs, all available for private use. Meals are served in "Roan," a completely private dining area with a hearth at each table, where you can leisurely savor charcoal-grilled dishes and local cuisine.

“Kura-no-Yu,” a renovated Meiji-era storehouse bath, offers a lukewarm soak in our private 36°C natural hot spring, along with guest Rooms set within a traditional Japanese house of white plaster and black lacquer finishes. Each Room is equipped with a massage chair, and we welcome you with relaxed, unobtrusive hospitality. Furnishings, antiques, calligraphy, and paintings are displayed throughout the property, creating an atmosphere like an art museum. For dining, savor creative cuisine made with local and seasonal ingredients to your heart’s content.

Renovated and reopened in December 2015. An Onsen resort overlooking Akaya Lake. Enjoy the gentle natural Onsen and a wide variety of buffets featuring Gunma's local ingredients. Convenient access to nearby attractions offers various ways to enjoy your stay.

A private villa with a wood-fired sauna, limited to one group per day, located in Minakami Town, Gunma Prefecture, easily accessible from Tokyo. The approximately 1,000 square meter space includes a sauna, kitchen, dining area, accommodation building, and bonfire area—all exclusively reserved for your stay. The accommodation features four separate rooms and can host up to eight guests. Enjoy a comfortable sauna experience with soft heat from the wood fire in a low-temperature and high-humidity environment while being soothed by the flickering flames. The villa also offers an open wooden deck and outdoor dining space with stunning views of Mount Tanigawa. This unique private space allows you to simultaneously enjoy the sauna, bonfire, and BBQ—perfect for an unforgettable stay.

Stardust Takayama is a private log cabin available for exclusive rental of the entire building.At the center of the house is a living room with a fireplace, and each bedroom has its own bathroom and toilet.A covered BBQ area, sauna, and fire pit are also available.*Up to 16 guests can stay.If you wish to stay with 10–16 guests, please enter the number of guests in the “Questions from the Accommodation” section on the Reservation form. (Up to 16 guests total, including adults and children.)