nanaougi
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Nanaougi (formerly Seirakuen) is a small, adult-only ryokan set in the Nanasawa Onsen district on the slopes of Mount Oyama, framed by woodland and direct access to walking trails. The property pairs traditional tatami interiors with contemporary touches: a quiet garden and terrace, a bar and two on-site dining venues including a modern French-influenced restaurant, plus communal spaces designed for relaxation. Practical house rules are straightforward and aimed at preserving a calm atmosphere — the property is non-smoking, does not accept pets, restricts entry during a nightly quiet period, and limits stays to guests aged 18 and over.
Accommodation is intimate, with a limited number of rooms that include Japanese-style options and suites featuring semi-outdoor or open-air baths; certain room types are specified with private open-air bathtubs. Rooms are equipped with climate control, flat-screen televisions, kettles and refrigeration, and the property provides complimentary Wi‑Fi and private parking. The ryokan operates both communal bathing facilities and in-room bathing options, so it functions as a ryokan with onsen Kanagawa while also offering rooms with en-suite bathing for those seeking a ryokan with private onsen Kanagawa experience.
Check-in and check-out procedures, dining schedules and specific room configurations are clearly stated at booking and the staff emphasise hospitality and local cuisine prepared from regional ingredients. The setting suits travellers looking for a quiet onsen stay with easy access to nearby nature attractions and light outdoor activities; arriving by car is convenient thanks to on-site parking and the property’s position within the Nanasawa hot-spring cluster. Reservations should be made in advance to secure rooms with private baths and particular meal arrangements.
Highlights of this ryokan
Points of interest nearby
Review summary for: nanaougi
Positive Reviews
Peaceful, not crowded
Multiple guests noted the property was tranquil and not crowded, providing a calm atmosphere for relaxation.
Nice, comfortable rooms
Rooms were described as very nice and comfortable, contributing positively to the stay.
Private hot spring / open-air bath
Guests praised the private onsen and the open-air bath (some said it could be reserved), allowing for a relaxed, private soak.
Good dining
The meals were mentioned as very good, with at least one guest specifically complimenting the food.
Negative Reviews
High price compared to alternatives
One reviewer felt the ryokan was significantly more expensive than other accommodations they stayed in, possibly due to its proximity to Tokyo.
Unprofessional or rushed check-in experience
A guest reported an unprofessional initial welcome, being left waiting while staff talked and then hurried through check-in because of impending dinner service.
Accessibility concerns — many stairs and dark corridors
Visitors noted numerous stairs and dimly lit hallways, which could be difficult for older guests or those with mobility issues.
Frequently Asked Questions
Most rooms are designed for 2 guests; several room types and suites can accommodate up to 3 people using futons or extra beds depending on the room.
Yes — the property offers public hot-spring baths and open-air onsen in some rooms and shared areas for guests.
Yes, private open-air baths are available by reservation, generally from around 15:30 until 22:00; morning times are operated as gender-separated public baths.
There is no advertised regular airport shuttle; the nearest major airport is Haneda (around 70–75 km), so most guests arrive by car, taxi or public transport with a short taxi from the nearest station — contact reception to discuss private transfer options.
Staff primarily operate in Japanese; English assistance is limited, so notify the ryokan in advance if you need extra language support.
Standard check-in is in the afternoon (typically from 15:00) with flexible latest arrival stated on the property site, and check-out is usually at 11:00; confirm times with your reservation as plans can vary by rate.
Children below elementary school age are not accepted, and pets are not permitted on the premises.
The ryokan is in a rural onsen area with limited shops within immediate walking distance; the front desk can advise where the nearest convenience store or supermarket is and how to reach it.
Meals are served on site in private dining spaces (dinner service commonly starts at 18:00 and breakfast around 8:00 or 9:00); in-room dining is not offered and special seating requests should be arranged in advance.
Local highlights include the Nanasawa forest park, adventure trails such as Tree Cross Adventure, and nearby shrines; larger destinations like Hakone and Mount Takao are reachable by car or public transport for day trips.