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Harajo Onsen Masago
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Harajo Onsen Masago

原城温泉　真砂

Pure-source hot spring and Ariake Sea sunrises beside Hara Castle

★ 3.0|Minamishimabara
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PHOTOS

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ABOUT

About this ryokan

🌅Pure-source hot spring and Ariake Sea sunrises beside Hara Castle

Nagasaki · Harajo Onsen Masago

Sea-view inn beside World Heritage Hara Castle
1

Sea-view inn beside World Heritage Hara Castle

  • 🏯The World Heritage Hara Castle ruins are just a few minutes' walk away.
  • 🌊Every guest room and the large bath look out over the Ariake Sea.
  • 🏨A compact property with 14 rooms in total.
Dinner built on local ingredients
2

Dinner built on local ingredients

  • 🍱Dinner is a Japanese set meal made with local ingredients.
  • 🐟Right on the Ariake Sea, it features fish dishes such as simmered rockfish.
  • 🍚Rice comes from terraced paddy fields.
Local flavors of the Shimabara Peninsula
3

Local flavors of the Shimabara Peninsula

  • 🍲Try Guzouni, a Shimabara hot pot with round rice cakes.
  • 🥣The breakfast miso soup is made with local ingredients.
  • 🍳Mornings start with a warm Japanese breakfast.
Sea-view restaurant and banquet hall
4

Sea-view restaurant and banquet hall

  • 🍽️Large windows in the restaurant frame beautiful sea views.
  • 🎉A tatami banquet hall seats up to 120, and group meals can be arranged on request.
  • 🅿️Free parking for 70 cars.
Hara Castle and the Ariake Sea
5

Hara Castle and the Ariake Sea

  • ✝️Hara Castle ruins are a World Heritage site known as a place of martyrdom.
  • 🐬Dolphins live in the Ariake Sea offshore.
  • ⛰️The Unzen mountains are visible across the water.
6

Hot spring straight from a 400 m source

  • ♨️The water is drawn directly from a source 400 m underground on the property.
  • 💧No recirculation, reheating or added water — the spring is known for keeping you warm long after bathing.
  • 🧖The large bath has a cascading-water bath (utaseyu), a jacuzzi and a sauna, with wide sea views.
7

Sunrise over the sea from every room

  • 🌅Every room faces the sunrise over the Ariake Sea.
  • 🛏️Choose from Western twin rooms, tatami Japanese rooms and Japanese-Western rooms.
  • 🛁The Japanese-style suite sleeps up to 8 and comes with a view bath.
8

Getting there

  • 🚗By car: 75 min from Isahaya IC, 95 min from Nagasaki Airport, 45 min from Shimabara city.
  • 🚃Shimabara Railway from Isahaya to Shimabara (about 65 min), then a bus (about 60 min) to Harajo-mae, followed by a 10-minute walk or 3-minute taxi.
  • ⛴️20 minutes from Kuchinotsu Port; parts of Route 251 may close in bad weather.
Local flavors of the Shimabara Peninsula
3

Local flavors of the Shimabara Peninsula

  • 🍲Try Guzouni, a Shimabara hot pot with round rice cakes.
  • 🥣The breakfast miso soup is made with local ingredients.
  • 🍳Mornings start with a warm Japanese breakfast.
Sea-view restaurant and banquet hall
4

Sea-view restaurant and banquet hall

  • 🍽️Large windows in the restaurant frame beautiful sea views.
  • 🎉A tatami banquet hall seats up to 120, and group meals can be arranged on request.
  • 🅿️Free parking for 70 cars.

Right beside World Heritage Hara Castle, Masago pairs an unrecirculated source hot spring with sunrises over the Ariake Sea. Public transport takes over two hours with train and bus transfers, so it suits a road trip best.

#HarajoOnsen#MinamishimabaraRyokan#NagasakiRyokan#HaraCastle#OceanViewRyokan#ShimabaraPeninsula#SourceHotSpring

✨ Ask AI about this property

AI searches Harajo Onsen Masago's official website to answer. AI can be inaccurate, so please check the original page or the property before booking.

Read the property's own description▾
Property Description Located only a few minute walk from a world heritage Hara Castle Ruins known as a place of martyrdom, it is a hotel that offers all rooms in which you can view the sun rise from extensive Ariake sea, and large baths with extensive seaview, which makes you feel as if you are in the sea. Well-reputed for its warming effect after getting out of bath, the hot water is retrieved di…Read more ↓

Property Description Located only a few minute walk from a world heritage Hara Castle Ruins known as a place of martyrdom, it is a hotel that offers all rooms in which you can view the sun rise from extensive Ariake sea, and large baths with extensive seaview, which makes you feel as if you are in the sea. Well-reputed for its warming effect after getting out of bath, the hot water is retrieved directly from the original source located underground by 400m on the premises while using no circulation heating system nor addition of water. Our large bath is complete with cascading hot spring, jaccuzi and sauna. Property Access (By car):75 minutes from Isahaya interchange, 95 minutes from downtown Nagasaki, 45 minutes from Shimabara city, 95 minutes from Nagasaki airport, (By ferry):20 minutes from Kuchinotsu port, 65 minutes from Taira port, 45 minutes from Shimabara port, (By bus):From Isahaya JR station, take the bus bound for Obama Kuchinotsu and transfer to the bus bound for Shimabara

* This description is the property's own text, in English.

* 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.

ROOMS

Available rooms

ACCESS

Getting there

POLICY

Good to know

Check In/Check Out Policy · Check In: 15:00 · Check Out: 10:00 · Last Check In: 24:00

* These policies are the property's own text, in English; the cancellation policy shown at booking takes precedence.

GUIDE

New to ryokans?

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

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FAQ

Frequently asked questions

What are the check-in and check-out times at Harajo Onsen Masago?
Check-in starts at 15:00 and check-out is by 10:00.
Where is Harajo Onsen Masago located?
It is in Minamishimabara. Address: 133 Urada Minamiarimacho-tei.
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.

Check-in / Check-out

Check-in

15:00

From 15:00

Check-out

10:00

Until 10:00

✨ Ask AI about this property

AI searches Harajo Onsen Masago's official website to answer. AI can be inaccurate, so please check the original page or the property before booking.

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Company: Diplat Laps Co., Ltd.
CEO: Kyungjun Jung
Tel: +82-2-3788-9137
Business Registration: 244-88-04002
E-commerce Registration: 2026-Seoul Gangseo-2302
Address: A-502, Doosan The Land Tower, 152 Magokseo-ro, Gangseo-gu, Seoul, Korea
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