Around Lockheart Castle × Moon Viewing AccommodationRecommended Hotel·Ryokan

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.*

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.

The property located by the shores of Akaya Lake features seven non-smoking rooms, all with lake views, and boasts the gentle Sarugakyo Onsen flowing directly from the source. From the windows, guests can enjoy seasonal scenery and views of Akaya Lake, experiencing a tranquil time away from daily life. In the spacious Japanese-style rooms, dinner includes a creative Japanese kaiseki meal full of seasonal flavors, and breakfast is a traditional Japanese meal. The traditional Japanese garden also offers different delights with each visit.

Just a few hours from the city center, located in Numata City, Gunma Prefecture, is a glamping and camping resort. Featuring the largest dog run site in the Kanto region, an infinity pool, a barrel sauna, dog-friendly Rooms with private dog runs where pets can roam leash-free, a grill dinner prepared on a large iron plate with Binchotan charcoal, original hamburger-making experiences, stargazing under a sky full of stars on clear nights, and countless fireflies during the rainy season. Extend your adventure with activities like stream fishing and skiing, offering a variety of experiential services that will delight both adults and children. Enjoy an all-inclusive style stay with unlimited drinks, including alcoholic beverages. Experience the changing seasons—spring, summer, autumn, and winter—and immerse yourself in a space where you can fully embrace nature and feel liberated in both body and mind. 【Infinity Pool】 During the day, enjoy family time with the cheerful voices of children, and at night, indulge in an enchanting, illuminated space for adults. The pool is available year-round, not just in summer, and can be used as a cold plunge after the sauna or to enjoy the seasonal illuminations. The water depths are 0.6m and 1.2m. 【Barrel Sauna】 Exclusively for glamping guests, the "FOREST Sauna" is located at the farthest point of the Facility. Made from natural wood sourced from Finland and designed in a barrel shape for excellent heat efficiency, it offers a soothing experience where you can feel the warmth of the wood throughout your body. The stove is manufactured by HARVIA. The sauna room features a large window overlooking the "Shirasawa River," where water flows directly from the mountains. There are three types of cold baths: a natural cypress bath, the infinity pool, and the Shirasawa River. Enjoy an outdoor sauna experience that allows you to fully immerse yourself in the richness of nature found only here. 【Rooms with Dog Runs】 Your beloved dog is part of the family. To ensure you can spend this natural time together, all guest Rooms, including dining spaces, are leash-free. Stay in a Room integrated with a dog run spanning approximately 400㎡, and create special moments with your furry companion. 【Grill Dinner & Original Hamburger Making】 We focus on local production for local consumption, offering menus that use plenty of fresh ingredients. For dinner, guests can enjoy cooking themselves on an iron plate. Savor seasonal flavors from Gunma Prefecture, including Akagi Wagyu beef as the main dish. The flambé experience, if successful, will surely become an unforgettable memory. For breakfast, create your own original hamburger using Akagi beef. Prepare your favorite ingredients and enjoy a personalized flavor. There are many more attractions! We invite you to enjoy the ultimate retreat experience.

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.)