Hoshino Onsen × Accommodation With Soothing Babbling StreamRecommended Hotel·Ryokan

For over a century, the historic Karuizawa area has been celebrated as an international resort destination, exuding elegance and charm. The expansive gardens surrounding Hotel Kajima no Mori still vividly preserve this timeless beauty. Delicate blooming flowers, cheerful chirping birds, and adorable families of squirrels... The abundant nature here invites visitors into a world of serene relaxation.

Renovated in August 2025, the entire property has been transformed into a new haven with luxurious rooms. All rooms are spacious 45㎡ suites with terraces, offering a serene retreat nestled in a tranquil forest. Each room's terrace provides a view of the beautiful pond in the courtyard. Choose from rooms with private saunas to soothe your travel fatigue, pet-friendly rooms to enjoy with your beloved dog, or open and airy maisonette-style accommodations. The facility also features a Japanese sake bar, "Onza Bar," where you can indulge in carefully selected premium sake, including local Shinshu specialties and Yoshikawa Brewery's "Afuri." Additionally, just a 5-minute walk away, the second restaurant "Pyrenees" offers seasonal hearth-cooked dishes prepared over a wood fire.

A luxury villa with two Rooms and a private floor area of 200 sqm, newly opened in a quiet setting just a short walk from the Old Karuizawa Ginza shopping street. In harmony with nature, the living and dining area is gently filled with seasonal light, and the terrace features a fire pit. It offers soothing moments that help you unwind and feel truly free from everyday life. In the fully private sauna, take time to reset your senses slowly with the heat of löyly. The jacuzzi bath and open-air relaxation ease tension in the body and leave a pleasant afterglow to your stay. At our one-party-per-day restaurant, enjoy an exceptional dinner experience featuring richly flavored Shinshu cuisine with pairings; we also offer in-Room dining or dinners at nearby restaurants—tailored to your preferences. We propose a special stay that will leave lasting memories of time spent with those who matter most.

A designer Hotel nestled in the historic Karuizawa villa area. All Rooms are equipped with kitchens, allowing for a carefree stay like a private villa. There are also 7 pet-friendly Rooms available, and guests can enjoy complimentary access to the dog run at our sister property, <Dog Leg Karuizawa>, just a 5-minute drive away.

Welcome to "Mori Stay," a place where you can feel closer to your destination.Second House A perfect spot between the ordinary and extraordinary. Your own personal second home, a familiar place just for you. Living A space where staying transforms into living. Here lies a new form of accommodation. Special Feeling A space that brings genuine smiles and comfort. A special place for you and your loved ones to share together. Born from this idea, we warmly welcome you back to "Mori Stay."

Exciting news for guests planning a long-term stay or a Multiple Night Stay! Starting in November, the Tree Village Karuizawa South Villa has installed Rinnai's "Kanta-kun 9kg" dryer in the changing room. This is a 9kg capacity dryer, one of the largest for home use, capable of drying all your laundry at once. Say goodbye to the hassle of hanging clothes on the wooden deck! As the ski season approaches, drying wet clothes indoors can make the Room feel damp and uncomfortable. "Kanta-kun" is here to solve those problems for you. Please welcome the newest member of our family, "Kanta-kun." From all the staff at Tree Village Karuizawa.