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Ashiyasu Onsen Iwazonokan
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Ryokans in Isawa · Yamanashi

Ashiyasu Onsen Iwazonokan

芦安温泉 岩園館

Isawa · Yamanashi onsen ryokan — At the foot of the Southern Alps, a renowned bath of 100% source water

★ 3.0|Minami-alpsFrom ₩200,800 / night (2 adults)
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ABOUT

About this ryokan

♨️At the foot of the Southern Alps, a renowned bath of 100% source water

Yamanashi · Ashiyasu Onsen Iwazonokan

Choumei-no-Yu, a Renowned Bath
1

Choumei-no-Yu, a Renowned Bath

  • ♨️A kakenagashi hot spring, rare even nationwide, that lets 100% source water flow through without circulation
  • 🧪High-quality sodium-calcium sulfate spring water (alkaline), with a source temperature of 43.7°C and pH 9.26
  • 🥤A renowned bath said since ancient times to heal illness and wounds, and one you can also drink
Three Large Baths
2

Three Large Baths

  • 🪨Open-air bathing surrounded by rock at the Ōiwa (Great Rock) bath, the source of the inn's name
  • 🌄Bathe in the view bath while taking in the four seasons of the Southern Alps foothills
  • 🔑The rooftop open-air bath can be reserved for private, timed use (separate for men and women, not mixed bathing)
Quiet Japanese-Style Rooms
3

Quiet Japanese-Style Rooms

  • 🏯A cozy hot spring inn with 23 tatami Japanese-style rooms split between the main and east wings
  • 🍵Each room comes with TV, phone, tea set, and kettle for a comfortable stay
  • 🧳Wi-Fi available in the lobby, plus a shop, vending machines, and other basic amenities
Flavors of the Four Seasons
4

Flavors of the Four Seasons

  • 🍽️Seasonal dishes featuring mountain and sea delicacies, whatever time of year you visit
  • 🏔️A Yamanashi table drawing on the bounty of both mountain and river
  • 🍶Pair your meal with local sake and wine from the Kai region
Signature Local Delicacies
5

Signature Local Delicacies

  • 🐴Local delicacies including basashi, Yamanashi's famous horse sashimi (available as an add-on)
  • 🐟Live sashimi of stream-raised iwana (char) and rainbow trout shabu-shabu
  • 🦪A range of extra dishes, including Kai nigai (abalone simmered in soy) and smoked duck
Facilities and Banquets
6

Facilities and Banquets

  • 🎤Suited to groups and gatherings, with a karaoke room, banquet hall, and meeting room
  • 🎾On-site sports facilities include a tennis court and table tennis
  • 🚐Free parking for 30 cars, with pickup from Midai bus stop (contact in advance)
Gateway to the Southern Alps
7

Gateway to the Southern Alps

  • ⛰️A base for climbing peaks like Mt. Kitadake in the Southern Alps and hiking Yashajin Pass
  • 🎣Year-round outdoor activities such as stream fishing and cherry, peach, and grape picking
  • 🪂A variety of outdoor experiences, including paragliding from nearby Shirane Hill
Quiet Japanese-Style Rooms
3

Quiet Japanese-Style Rooms

  • 🏯A cozy hot spring inn with 23 tatami Japanese-style rooms split between the main and east wings
  • 🍵Each room comes with TV, phone, tea set, and kettle for a comfortable stay
  • 🧳Wi-Fi available in the lobby, plus a shop, vending machines, and other basic amenities
Flavors of the Four Seasons
4

Flavors of the Four Seasons

  • 🍽️Seasonal dishes featuring mountain and sea delicacies, whatever time of year you visit
  • 🏔️A Yamanashi table drawing on the bounty of both mountain and river
  • 🍶Pair your meal with local sake and wine from the Kai region

Soak in a celebrated kakenagashi bath of 100% source water in a clear, cool valley of the Southern Alps, and savor the season's mountain-and-sea delicacies alongside local specialties. Rest body and mind at Iwazonokan, a cozy hot spring inn standing at the gateway to mountain climbing and outdoor recreation.

#AshiyasuOnsen#Iwazonokan#YamanashiOnsen#SouthernAlps#SourceWaterKakenagashi#OpenAirBath#HorseSashimi#OnsenRyokan

✨ Ask AI about this property

AI searches Ashiyasu Onsen Iwazonokan'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▾

~명탕 아시야스 온천 장명의 유~ 옛날에는 의사가 없어서 이 온천으로 병이나 상처 등을 치료한 역사를 이어온 장명의 명탕입니다. 아시야스 온천·이와조엔칸은 야마나시현 미나미 알프스시에 위치한 100% 원천 방류식 온천 숙소입니다. 대암 노천탕·옥상 노천탕·전망 대욕장의 3개의 대욕장을 준비하고 있습니다. 순환식 온천 숙소가 많은 가운데, 전국에서도 손꼽히는 '방류식' 숙소입니다. 마음껏 즐겨주시기 바랍니다. ※욕장은 남녀 각각 나뉘어 있으며 혼욕은 아닙니다.

* Translated from the description supplied by the property.

* 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

POLICY

Good to know

체크인·체크아웃 · 체크인: 15:00 · 체크아웃: 10:00 · 최종 체크인: 17:00

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

GUIDE

New to ryokans?

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

♨️ Onsen bathing etiquette🩹 Onsen with tattoos?✅ First-timer checklistAll guides →

FAQ

Frequently asked questions

What are the check-in and check-out times at Ashiyasu Onsen Iwazonokan?
Check-in starts at 15:00 and check-out is by 10:00.
Where is Ashiyasu Onsen Iwazonokan located?
It is in Isawa · Yamanashi Minami-alps. Address: 588 Ashiyasu Antsu, Minami Alps-shi, Yamanashi.
How much does one night cost?
Recent lowest observed rate starts from ₩200,800 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.

Check-in / Check-out

Check-in

15:00

15:00 ~ 10:00

Check-out

10:00

Until 10:00

✨ Ask AI about this property

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

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