Izunagaoka Onsen Hotel Sun Valley Izunagaoka

♨️A 300-tsubo cypress bathhouse and a Japanese-Western-Chinese buffet in Izunagaoka Onsen

Shizuoka · Hotel Sun Valley Izunagaoka Main Building

1

A hot spring hotel built around a garden

• 🏯A large hot spring hotel in Izunagaoka Onsen, serving as the main building of the Sun Valley group of properties.
• 🌳A broad Japanese garden sits between the wings, with ponds and greenery by day and illuminated paths at night.
• 🐾A separate pet hotel makes it an option for travelers with pets.

2

Mante-no-Yu Yumedono bathhouse

• ♨️Modeled on the Yumedono hall of Horyu-ji in Nara, the bathhouse covers about 300 tsubo (roughly 990㎡) and uses 100% natural hot spring water.
• 🪵Ichi-no-Yu centers on a large hexagonal hinoki cypress bath beneath a tall hexagonal skylight, with bubble, lying and pot baths.
• 🪨A lukewarm bath lined with hokutolite stone from Tamagawa Onsen in Akita, plus saunas, lets you enjoy both alkaline simple spring and radium water.

3

Garden open-air baths and private baths

• 🌿Ni-no-Yu is a calmer bath area whose large windows open onto the garden and its open-air bath.
• 🔄Men's and women's sides switch overnight, so guests can try both bath areas.
• 🛁Private open-air baths are available under certain conditions; the main baths close for cleaning from midnight to 5 a.m.

4

Guest rooms

• 🛏️Ayame-tei offers 53㎡ rooms with a private open-air bath fed by flowing spring water; the tub is either round or square, assigned by the hotel.
• 🏠Fuki-tei's Japanese-Western rooms (two beds plus a 6-tatami area) and connecting rooms suit families and small groups.
• 📶Other options include 10-tatami rooms in Satsuki-tei and 8-tatami Japanese rooms, and free Wi-Fi is available in every room.

5

Buffet dining

• 🦀Dinner is a buffet of about 50 Japanese, Western and Chinese dishes, with live sushi and tempura counters and snow crab.
• 🍳The breakfast buffet features build-your-own rice bowls, freshly baked croissants and grilled dried fish.
• 🍄Seasonal fairs run through the year: a mushroom fair from September to November, and a fugu (pufferfish) fair planned for December 2026 to February 2027.

6

Facilities

• 📚Guests can use the hot spring manga library of over 30,000 volumes for free, including a picture-book corner.
• 🎤There is a lounge, plus karaoke and a game corner (both paid).
• 💆Massage (paid) and banquet rooms are also available.

7

Getting there

• 🚃From JR Mishima Station, take the Izuhakone Railway to Izu-Nagaoka Station, then a bus of about 10 minutes.
• 🚗By car, take the Tomei Expressway to Numazu IC, then the Izu Jukan Road and Izu Chuo Road; the hotel is about 5 minutes from Nagaoka-kita IC.
• 🅿️Free parking is available.

3

Garden open-air baths and private baths

• 🌿Ni-no-Yu is a calmer bath area whose large windows open onto the garden and its open-air bath.
• 🔄Men's and women's sides switch overnight, so guests can try both bath areas.
• 🛁Private open-air baths are available under certain conditions; the main baths close for cleaning from midnight to 5 a.m.

4

Guest rooms

• 🛏️Ayame-tei offers 53㎡ rooms with a private open-air bath fed by flowing spring water; the tub is either round or square, assigned by the hotel.
• 🏠Fuki-tei's Japanese-Western rooms (two beds plus a 6-tatami area) and connecting rooms suit families and small groups.
• 📶Other options include 10-tatami rooms in Satsuki-tei and 8-tatami Japanese rooms, and free Wi-Fi is available in every room.

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With a huge cypress bathhouse facing the garden, a generous buffet and a manga library, this is an easy choice for family trips. It is a large hotel with many rooms rather than an intimate ryokan, and meals are served buffet-style rather than in your room.

#IzunagaokaOnsen#ShizuokaRyokan#IzuRyokan#HinokiBath#BuffetRyokan#PrivateOpenAirBath#FamilyRyokan

* 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.

♨ Izunagaoka Onsen · 23 ryokan in this onsen town

Check In/Check Out Policy · Check In: 15:00 · Check Out: 10:00 · Last Check In: 19:00

* These policies are the property's own text, in English; 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 Izunagaoka Onsen Hotel Sun Valley Izunagaoka?

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

Where is Izunagaoka Onsen Hotel Sun Valley Izunagaoka located?

It is in Izunokuni. Address: 659 Nagaoka.

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.