Kai Zushi
開 鮨
Sushi in Komagane, Nagano, 15 min walk from Komagane Station
Our analysis
- 49%of high-end restaurants in Nagano have a higher dinner budget
- Nonepublic phone or online booking
Dinner ¥15,000–19,999Closed Mondays, Tuesdays, Wednesdays, and Thursdays
Tabelog has no rating for Kai Zushi yet; it opened in February 2023. Its dinner budget on Tabelog (¥15,000–19,999) is lower than that of 49% of the high-end restaurants in Nagano in this guide, and lower than that of 64% of its sushi restaurants. It lists no phone number and no online booking; 1 of the 12 sushi restaurants in Karuizawa & Nagano can be booked online in English. Good for a seat at the counter.
How it compares
Sushi restaurants in Karuizawa & Nagano with a dinner budget close to its own, nearest to it in our ranking.
| Restaurant | Rank in Karuizawa & Nagano | Dinner from | Lunch from | Booking | Awards | Walk | Closed |
|---|---|---|---|---|---|---|---|
| Sushi Yumoto | #6 | budget ¥20,000–29,999 | — | Phone only | — | 6 min, Shiyakushomae | Mon, Sun |
| Sushi-ya Ono Karuizawa T-Site Ten | — | budget ¥20,000–29,999 | budget ¥15,000–19,999 | Phone only | — | 4 min, Karuizawa | Wed |
| Sushi Okumura | — | ¥16,500 | — | Phone only | — | 5 min, Matsumoto | Sun |
| Sushi Sakai | — | ¥15,000 | — | Phone only | — | — | Tue, Wed |
| Kano | — | budget ¥20,000–29,999 | — | Phone only | — | 19 min, Naka-Karuizawa | — |
| Kai Zushi | — | budget ¥15,000–19,999 | budget ¥15,000–19,999 | No public phone or online | — | 15 min, Komagane | Mon, Tue, Wed, Thu |
For international visitors
Book through a concierge
No online booking in English and no menu or staff in English are listed. A hotel concierge can book for you.
| Menu | Not listed |
|---|---|
| Staff | Not listed |
| Payment | |
| Seating and facilities | Counter seats |
How to book Kai Zushi
- Kai Zushi publishes no phone number and lists no online booking service, which usually means its seats go to regulars and their guests. A concierge at a luxury hotel is the best chance of a table.
- Reservations: required. Walk-ins are not accepted.
Can't get a table? Sushi nearby you can book online
Prices
| Dinner | ¥15,000–19,999 per person |
|---|---|
| Lunch | ¥15,000–19,999 per person |
| Credit cards | |
| Electronic money | Not accepted |
Opening hours
| Monday | Closed |
|---|---|
| Tuesday | Closed |
| Wednesday | Closed |
| Thursday | Closed |
| Friday | 11:30–14:00, 17:30–20:00 |
| Saturday | 11:30–14:00, 17:30–20:00 |
| Sunday | 11:30–14:00, 17:30–20:00 |
Seats and rooms
| Smoking | Non smoking |
|---|---|
| Setting | A house restaurant, Counter seating |
| Services | Take-out |
| Opened | February 2023 |
Getting there
15 min walk (1,220 m) from Komagane Station.
Also near: Ōtagiri: 23 min
- Leave Komagane Station and walk north for 60 m.
- Bear left and walk 20 m.
- Turn right and walk 90 m.
- Turn right and walk 60 m.
- Turn right and walk 20 m.
- Bear left and walk 840 m.
- Turn right and walk 50 m.
Kai Zushi is on your right.
On your right
Look for
開 鮨
The restaurant's name, as on its sign
Show this to a taxi driver
開 鮨長野県駒ヶ根市飯坂1-25-31
The address in Japanese, as drivers enter it
Location
| Address | 1-25-31 Iizaka Komagane, Nagano 399-4102 |
|---|---|
| Stations |
|
| Directions | 10 minutes from Komagane Interchange. |
Questions visitors ask
How much does Kai Zushi cost?
The restaurant puts dinner at ¥15,000–19,999 per person and lunch at ¥15,000–19,999. Drinks may be extra; credit cards are accepted.
When is Kai Zushi closed?
It is closed on Mondays, Tuesdays, Wednesdays, and Thursdays.
What is the nearest station to Kai Zushi?
Komagane Station, about 15 minutes on foot (1,220 m). Ōtagiri Station is about 21 minutes away.
Sources
Facts on this page come from Tabelog (checked in November 2026) and the restaurant's website; the walking directions from OpenStreetMap. Report a correction.