Nagano-Haragusa-Kuchiguchi Station × Accommodation With Coin LaundryRecommended Hotel·Ryokan

Situated on the highlands of Kusatsu Onsen, this property offers 23 diverse types of baths and two hot spring sources. Guests can also enjoy bench-style stone saunas, two types of dry and wet saunas, and three private open-air baths free of charge. Experience the ideal hot spring retreat.

SANU 2nd Home is your “second home”—a place to rest body and mind and awaken your senses.Step away from the rush of city life,feel nature with all five senses,and live by your own hands in a true second home.Among the SANU 2nd Home locations, Kita-Karuizawa 1st is an ideal base for those who want to unwind in peace, far from the urban bustle. Surrounded by greenery, you can lose yourself in thought or a good book, or spend your time actively with hikes on Mt. Ko-Asama or Mt. Asama-Kakushi.The white cabin is an eco-conscious design that lives in harmony with the environment. Inspired by a beehive, it features a distinctive form and large windows that frame the surrounding landscape. The space comes alive through seasonal views reflected in those windows and wildflowers arranged in the dining room vase.Morning: quietly grind coffee beans on the terrace as sunlight filters through the trees.Afternoon: play a seasonal music playlist and let yourself sink into sound.Evening: toast with natural wine while listening to insects sing.Night: add logs to the fire and drift into deep thought.How you spend your time is entirely up to you.Find what feels just right for you.

SANU 2nd Home is a “second home” where you can truly unwind and awaken your senses.Step back from the pace of city life,feel nature with all five senses, and live with your own hands in a place made for everyday living.Among the SANU 2nd Homes across Japan, Kita-Karuizawa 2nd is an ideal base for those who want to spend quiet time away from the urban bustle. Surrounded by greenery, you can lose yourself in thought or reading, or stay active with hikes on Mt. Ko-Asama and Mt. Asama-Kakushi.The white cabin is an eco-conscious retreat designed in harmony with the earth. Inspired by a beehive, it features a distinctive form and large windows that frame the surrounding landscape. The space comes alive through seasonal views reflected in those windows and wildflowers arranged in the dining room vase.In the morning, quietly grind coffee beans on the terrace as sunlight filters through the trees.In the afternoon, play a seasonal music playlist and let yourself sink into sound.In the evening, toast with natural wine while listening to insects sing.At night, add logs to the fire and drift into deep thought.How you spend your time is entirely up to you.Find what feels just right for you.

Nestled on the northern foothills of Mt. Asama, Kita-Karuizawa is known for its cool, refreshing air. This designer villa—limited to one group per day—was created in an extraordinary setting: a vast private woodland of about 1,000 tsubo with a stream running through it. The open single-story home (3LDK) offers over 100 sqm of space and accommodates up to 10 guests, providing a luxurious retreat perfect for an unforgettable getaway with your loved ones.The symbol of this Accommodation is the “treehouse,” accessed via a suspension bridge from the wooden deck. Surrounded by the untouched forest of Kita-Karuizawa, stepping into this hidden treetop hideaway brings an exceptional sense of immersion—feeling truly at one with nature. At night, enchanting lights and the glow of a campfire illuminate the trees, drawing you into a fairytale-like world of quiet serenity.On-site, you’ll also find an authentic Finnish sauna by HARVIA and a cold plunge bath with chiller support—even suitable for single-digit water temperatures (°C). Outdoor relaxation wrapped in the scent of pristine woods at Mt. Asama’s foothills and the natural sound of flowing water delivers an unparalleled sense of deep renewal found only here.Cross the wooden deck and open the treehouse door to discover a secret base that brings out the child in everyone. Immerse yourself in the magical forest scenery of Kita-Karuizawa and enjoy an extraordinary escape to your heart’s content.

Renovated in April 2022, this accommodation is perfect for enjoying your stay with your dog. Relax in the lounge or restaurant and enjoy a leisurely hotel stay. Unwind in the spacious onsen for a soothing experience. The five types of modern guest rooms offer a comfortable and serene atmosphere. Savor grilled dishes prepared in our kiln grande while admiring the nature of Karuizawa, all alongside your furry friend. Special meals for dogs are also available.

A rental villa located at the foot of Mount Asama in North Karuizawa, at an altitude of 1,150m, surrounded by a 10,000 square meter forest. We offer a luxurious Western-style mansion (Timothy) and an authentic Finnish log house (Clover). The property features a treehouse and swings made from the forest's trees, ensuring enjoyment for children as well. A river flows through the premises, making it perfect for a leisurely stroll. Additionally, you can experience farm activities to learn the importance of food or participate in cheese-making taught by a professional cheesemaker (Reservation required). Enjoy the exclusivity of the forest and immerse yourself in an extraordinary experience at this rental villa, where you can forget the time and relax to your heart's content.

BUNA KUSATSU offers not only an Onsen but also a shared kitchen, lounge, shower booths, and laundry facilities, making it perfect for a relaxing long-term stay. The kitchen is equipped with a microwave, toaster, and cooking utensils, allowing you to bring in bento boxes or ready-made meals to enjoy in the lounge. The laundry facilities, including both washing machines and dryers, are available free of charge. The Onsen uses the "Yukawa no Yu" hot spring source in a luxurious free-flowing style and can be enjoyed as a completely private experience without the need for a Reservation. Please enjoy a relaxing time at BUNA.