Release rule

How to Book Izutsuya Kobuchizawa: Reservation Release Day, Phone and Rules (2026)

小淵沢 井筒屋 · Kobuchizawa, Hokuto, Yamanashi · Unagi · Lunch & dinner

How to book this house

Online via TableCheck or phone (0551-36-5990), up to 30 days ahead — no fixed release day. Dinner courses (AGED EEL course from ¥15,000, two guests minimum) must be booked by 22:00 two days before; lunch courses and parties of nine or more by phone.

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Closed Tuesday and Wednesday.

Next release
Open now for visits through November 5, 2026
Where bookings are taken
Platform · TableCheckTableCheckOfficial
Lunch / dinner
Lunch & dinner

From the house's hours on Tabelog (checked October 2026).

Phone line
0551-36-5990 (Japanese); lunch 11:00–14:30 (L.O. 13:45), dinner 17:00–20:00 (L.O. 19:15); closed Tue and Wed plus irregular days (calendar on the official site and Instagram)
If a seat comes back
We watch this house's own booking page and email anyone following it when dates appear that were not there before. We hold nothing — the seats go first come, first served.

Allergies or dietary needs? Make a Japanese dining card →

Next release days

  • 6Oct
    Open now for visits through Nov 5, 2026

Last verified September 11, 2026 · checked by our desk October 4, 2026

Source for the booking rule: the house's official site (itutuya.com), read September 11, 2026.

All times are Japan Standard Time (UTC+9).

Full profile in our collection

More houses in Kobuchizawa, Hokuto, Yamanashi

More Unagi in the same region

All houses in Chūbu & Hokuriku →

When does Izutsuya Kobuchizawa open its reservation book?

Online via TableCheck or phone (0551-36-5990), up to 30 days ahead — no fixed release day. Dinner courses (AGED EEL course from ¥15,000, two guests minimum) must be booked by 22:00 two days before; lunch courses and parties of nine or more by phone. Closed Tuesday and Wednesday. Open now for visits through November 5, 2026 All times are Japan Standard Time (UTC+9).

How do I book Izutsuya Kobuchizawa from abroad?

Izutsuya Kobuchizawa takes reservations online through TableCheck, which you can use from abroad with your own account and a credit card. If you would rather not, our Tokyo desk can request it for you: ¥6,000 per seat, charged only if the table is secured. A free release-date alert emails you the day before, on the morning of release day (08:00 JST) and about 30 minutes before when the opening time is known; houses that open a little every day come in a weekly summary.

What time zone is the release time?

All times are Japan Standard Time (UTC+9). Release days are computed from the house's published rule and re-checked monthly.

More release days in Chubu & Hokuriku

Chubu & Hokuriku: when hard-to-book restaurants open reservations →

← All 1,240 houses in the booking calendar

Rules are verified against official notices and platform listings and re-checked monthly. Houses change their systems without warning; treat the calendar as a planning tool. For restaurants in our collection, our desk confirms the specifics for your dates when you request.