Tenku no Shiro Sangitei Honkan

🏯Above the ruins of Iida Castle, a hot-spring ryokan adrift in the sky, gazing out at the Southern Alps

Iida, Nagano · Tenku no Shiro Sangitei Honkan

1

A Castle in the Sky, Atop Iida Castle Ruins

• 🏯A ryokan set on the historic hill once home to Iida Castle
• ⛰️Sweeping views of the Southern Alps range and Iida's cityscape
• 🌸A Japanese garden that has bloomed through every season since its Meiji-era founding

2

Iida Castle Onsen, Drawn from 1,300m Underground

• 💧A pH 9.79 alkaline simple spring, yielding 170 tons daily
• ✨The 'toner bath,' known for smoothing away rough skin
• 🛁Sweeping views from the panoramic bathhouse and sky-high open-air bath
• ♨️A mist sauna infused with onsen minerals

3

Rooms Facing the Southern Alps

• 🛏️A range of room types, from Japanese-Western rooms with tatami and beds to pure Japanese-style rooms
• 🏔️Choose a room facing the Southern Alps or the city
• 🐶Pet-friendly rooms (renewed January 2025)

4

A Kaiseki Feast of Shinshu's Mountains and Sea

• 🥩A taste of local terroir through Minami-Shinshu beef kaiseki
• 🐟Shinshu salmon, seasonal vegetables, and mushrooms sourced locally
• 🍶Ina Valley specialties like sweet simmered carp and horse sashimi
• 🍚A choice of two Japanese breakfasts: rice porridge you simmer yourself in a clay pot, or a set with freshly made tofu

5

Garden, Lounge, and a Beer Garden in the Sky

• 🌿A storied Japanese garden blooming through every season
• 🪟A lounge with garden views through large windows (Wi-Fi)
• 🍺The rooftop 'Sky Beer Garden' (late April–September, retractable roof)
• 🛍️A shop stocked with Shinshu souvenirs and original bath products

6

Right by Iida Castle Ruins, Easy to Reach

• 🚗Free parking for 60 cars (first come, first served)
• 🏛️Look for the Nagahime Shrine torii gate beside the Iida City Art Museum as your landmark
• 🛀The private family bath 'Nanten,' a semi-open-air bath (reservation required)

3

Rooms Facing the Southern Alps

• 🛏️A range of room types, from Japanese-Western rooms with tatami and beds to pure Japanese-style rooms
• 🏔️Choose a room facing the Southern Alps or the city
• 🐶Pet-friendly rooms (renewed January 2025)

4

A Kaiseki Feast of Shinshu's Mountains and Sea

• 🥩A taste of local terroir through Minami-Shinshu beef kaiseki
• 🐟Shinshu salmon, seasonal vegetables, and mushrooms sourced locally
• 🍶Ina Valley specialties like sweet simmered carp and horse sashimi
• 🍚A choice of two Japanese breakfasts: rice porridge you simmer yourself in a clay pot, or a set with freshly made tofu

Show more (4 more)▾

A night in a castle in the sky, where you surrender to Southern Alps views and skin-softening hot springs. Shinshu's four seasons arrive whole, at both table and bath.

#NaganoRyokan#IidaOnsen#TenkuNoShiroSangitei#SouthernAlpsView#SkinSofteningBath#SkyOpenAirBath#ShinshuKaiseki#OnsenTrip

* 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: 19:00

* 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 Tenku no Shiro Sangitei Honkan?

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

Where is Tenku no Shiro Sangitei Honkan located?

It is in Nagano Iida. Address: 2-641-10 Otemachi.

How much does one night cost?

Recent lowest observed rate starts from ₩156,155 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.