Obama Onsen Iseya

♨️105°C, Japan's highest heat output — a hot spring over the sea

Nagasaki · Obama Onsen Iseya

1

Obama Onsen Communal Bath

• ♨️A source temperature of 105°C and a heat output said to be Japan's highest, feeding Obama Onsen's abundant flow
• 🌊Soak in an open, expansive communal bath facing out over Tachibana Bay
• 🧂A lightly salty sodium chloride spring that holds its heat, warming you through

2

Open-Air Bath and Private Bath

• 🌬️A large open-air bathing area where you can feel Obama's sea breeze
• 👨‍👩‍👧Three family baths are available by advance reservation, one hour per group
• 🛁Every main-building room has its own semi-open-air bath fed by the inn's private spring

3

Ocean-View Rooms Throughout

• 🛏️Standard: 39㎡, a 7.5-mat tatami room with two semi-double beds and a private-source semi-open-air bath
• 🌅Junior Suite: 51㎡, with a wood-scented kakenagashi semi-open-air bath and rain shower
• 🚭All rooms are non-smoking and ocean-view, sleeping 2 to 4 guests

4

Seaside Dining UMIKAZE

• 🐟A seasonal local course featuring Tachibana Bay seafood, Nagasaki wagyu, and Unzen brand pork
• 🍶Seating starts between 5 and 7 p.m., with creative dishes that let the ingredients shine
• 👶Children from toddlers through elementary school age get their own dedicated menu

5

Lobby, Library, and Shop

• 🪑A quiet, warm lobby furnished with Danish Kai Kristiansen pieces
• 📚The owner-curated Iseya Library, a collection of 'books you'd want to read at a ryokan'
• 🛍️A select shop gathering the tastes and delights of the Shimabara Peninsula

6

Terrace Cafe GRANDEUR

• ☕A wide range of drinks, from house-made lemonade and alcohol-free cocktails to craft beer
• 🍰Limited menu items like rich house-made cheesecake and natural-ice shaved ice
• 🥚Open 10 a.m.–6 p.m. on the ground-floor terrace overlooking the sea

7

Direct Access From the Airport

• 🚌Obama Onsen is about 60 minutes by bus from JR Isahaya Station
• 🚗About 50 minutes by car from the Isahaya IC, right in the heart of Obama Onsen
• 🅿️A guest-only car park sits beside the main building, with the municipal lot across the road as overflow

3

Ocean-View Rooms Throughout

• 🛏️Standard: 39㎡, a 7.5-mat tatami room with two semi-double beds and a private-source semi-open-air bath
• 🌅Junior Suite: 51㎡, with a wood-scented kakenagashi semi-open-air bath and rain shower
• 🚭All rooms are non-smoking and ocean-view, sleeping 2 to 4 guests

4

Seaside Dining UMIKAZE

• 🐟A seasonal local course featuring Tachibana Bay seafood, Nagasaki wagyu, and Unzen brand pork
• 🍶Seating starts between 5 and 7 p.m., with creative dishes that let the ingredients shine
• 👶Children from toddlers through elementary school age get their own dedicated menu

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At Obama Onsen, said to have the greatest heat output in Japan, every room is ocean-view, so you can soak with the sea right beside you. Seasonal seafood from Tachibana Bay and an in-room semi-open-air bath fed by its own spring source complete a night where sea and hot spring become one.

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* This introduction was compiled from information published by each property (official website and similar sources), so some details may differ from what you find on the day. It is AI-assisted and can contain errors — please check the official website and the details shown at booking before you reserve.

체크인·체크아웃 · 체크인: 15:00 · 체크아웃: 10:00 · 최종 체크인: 22:00

* Translated from information supplied by the property; the cancellation policy shown at booking takes precedence.

From onsen etiquette to check-in — the things worth knowing first.

What are the check-in and check-out times at Obama Onsen Iseya?

Check-in starts at 15:00 and check-out is by 10:00.

Where is Obama Onsen Iseya located?

It is in Unzen · Nagasaki Unzen. Address: 905 Obamacho Kita Honmachi, Unzen-shi, Nagasaki.

How much does one night cost?

Recent lowest observed rate starts from ₩305,355 per night for two adults. Rates vary by date and room type, so a live search is most accurate.

What is the cancellation and refund policy?

Free-cancellation deadlines vary by rate plan and are shown with each room. Cancelling before the deadline gives a full refund.