BASE L
Designed ByYosuke Aizawa1 bathroom
315.2㎡ (3,392.78 sq ft)
Invite close friends for a shared meal in a spacious setting.
Gather around the fire on the terrace, soak in the rock hot spring bath, and forget the city's hustle.
A secret hideaway in the forest.
Director
Yosuke Aizawa
Graduated from the Department of Textile Design at Tama Art University. After working at COMME des GARÇONS, he founded White Mountaineering in 2006. In 2026, marking the brand's 20th anniversary, he stepped down as its designer and launched the design studio "stactis studio". He serves as Director and CCO of Hokkaido Consadole Sapporo and as a visiting professor at Tama Art University, and is active across a wide range of fields including architectural and product direction.
Features
Overview
A forest retreat for up to eight
Living
Spacious elegance with a cozy fireplace
Bedroom
Bedrooms for personal time and space
Bath
Natural hot spring in a rock bath
Sauna
Open sauna harmonizing with the seasons
Outdoor Living
Another living room set in the heart of nature
Exterior
A 6.3m (20.67 feet) high ceiling sanctuary in the woods
Interior
Synchronized elegance with original interiors in architectural harmony
Getting there
Travel time from Tokyo
Address: 2286-340 Hosohara, Oaza Omae, Tsumagoi Village, Agatsuma District, Gunma Prefecture, Japan
Masterplan
SIZE AND LAYOUT
Interior size: 158.65㎡ (1,707.69 sq ft)Total area: 315.2㎡ (3,392.78 sq ft)
3 bedrooms1 bathroom
KEY AMENITIES
Outdoor hot spring bath (onsen)Outdoor fireplaceSaunaPrivate garden (pet-friendly units only)Full, modern gallery kitchenDining table for 8 guests
Property details
- Name
- NOT A HOTEL KITAKARUIZAWA BASE L
- Property location
- 2286-340 Hosohara, Omae, Tsumagoi Village, Agatsuma District, Gunma Prefecture
- Transportation
- Approximately 35 minutes by car from JR Hokuriku Shinkansen "Karuizawa Station"
- Urban planning area
- Outside the city planning area
- Land use zone
- Unspecified
- Land area
- BASE L-1: 7,638.66 sq m, BASE L-2: 3,856.45 sq m, BASE L-3: 2,985.05 sq m, BASE L-4: 2,864.34 sq m, BASE L-5: 1,900.02 sq m
- Structure & size
- Two-story wooden structure
- Total units
- 5 units
- Indoor area
- 158.65 sq m
- Total Area (Indoor Area + Terrace + Outdoor spaces)
- 315.20 sq m
- Layout
- 3Bedroom
- Expected completion date of building
- BASE L-1, L-2: December 2023, BASE L-3, L-4, L-5: Scheduled for April 2026
- Start date for owner use
- BASE L-1, L-2: April 2024, BASE L-3, L-4, L-5: Scheduled for July 2026
- Design
- NOT A HOTEL Co., Ltd.
- Construction
- Maeda Corporation
- Developer/Seller
- NOT A HOTEL Co., Ltd.
- Management company
- NOT A HOTEL MANAGEMENT Co., Ltd.
- Building confirmation numbers
- BASE L-1: Building Confirmation No. CIAS01783 (2022), BASE L-2: Building Confirmation No. CIAS00057 (2022), BASE L-3: Building Confirmation No. CIAS01765 (2024), BASE L-4: Building Confirmation No. CIAS01767 (2024), BASE L-5: Building Confirmation No. CIAS01766 (2024)
- Rights form
- Co-ownership of buildings and facilities, joint leasehold ownership of the land
- Management Fees per Month (1/60 share, 30 nights per year)
- JPY 151,410 (tax included)
- Reservation
- Reservations can be made from 12 months before the desired stay date, within the range of the allocated number of available nights for that date.
- Total shares available for purchase/room
- 60 shares (1 share allows 30 nights per year)
- Number of Shares Available for Purchase in This Phase
- 36 shares (each share includes 30 nights of annual use)
- Exchangeable facilities
- Yes
- Membership restrictions
- In accordance with the NOT A HOTEL Owner Agreement Terms.
- Transfer or cancellation of membership and its conditions
- The membership rights can be transferred with the approval of NOT A HOTEL after three years from the date of acquisition.
- Facility usage restrictions
- In accordance with the NOT A HOTEL Terms of Use
- Number of exchangeable facilities and their usage conditions
- All NOT A HOTEL locations across Japan (four locations opened at the time of this property’s sale) will be provided to the operating company for use, and the operating company will manage them as hotels.
- Last updated
- February 22, 2025
- Last Updated / Next Scheduled Update
- As of April 1, 2026. The next scheduled update is April 1, 2027.
LOCATION
At the Foot of Mount Asama, a Secret Haven Through the Seasons
Landscape
While just about a 30-minute drive from Karuizawa Station, the Kitakaruizawa area offers untouched nature.
Restaurant
The property includes a private restaurant for owners called "Sekiboku."