Hotel Platon
Riverwalk hotel with 2 hot tubs and a sauna
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Hotel Platon sits alongside a river, creating a peaceful retreat centered around its indoor mineral hot spring and dual spa tubs. Guests can unwind in the sauna, book a massage, savor Japanese dishes at Karin restaurant, or enjoy a beverage at the café.
Reviews
7.2 out of 10
Good
Popular amenities
Room options
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Available filters for rooms
Showing 3 of 3 rooms
View all photos for Single Room

Single Room
Highlights
Air conditioning
Refrigerator
TV
Deep soaking bathtub
Hair dryer
Private bathroom
Shower/tub combination
In-room massage
View all photos for Twin Room, 2 Bedrooms

Twin Room, 2 Bedrooms
Highlights
Air conditioning
Refrigerator
TV
2 bedrooms
Deep soaking bathtub
Hair dryer
Private bathroom
Shower/tub combination
View all photos for Double-Room with Small Double Bed

Double-Room with Small Double Bed
Highlights
Air conditioning
Refrigerator
TV
Deep soaking bathtub
Hair dryer
Private bathroom
Shower/tub combination
In-room massage
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About the neighborhood

3-12-2,Kamiyamada Onsen, Chikuma, Nagano, 389-0821
About this property
Hotel Platon
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Hotel Platon Annex Green Plaza
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- Parking included
- Free WiFi
- Restaurant
- Air conditioning
7.0 out of 10, Good, 38 reviews
Property amenities
Room amenities
Policies
Important information
Optional extras
- Fee for Japanese breakfast: approximately JPY 1100 per person
The above list may not be comprehensive. Fees and deposits may not include tax and are subject to change.
You need to know
Extra-person charges may apply and vary depending on property policy
Government-issued photo identification and a credit card, debit card, or cash deposit may be required at check-in for incidental charges
Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
This property accepts credit cards; cash is not accepted
Safety features at this property include a fire extinguisher and a smoke detector
We should mention
The Japanese Ministry of Health, Labour, and Welfare requires all international visitors to submit their passport number and nationality when registering at any lodging facility (inns, hotels, motels, etc. ); additionally, lodging proprietors are required to photocopy passports for all registering guests and keep the photocopy on file
Please note that some properties do not permit guests with tattoos to use the onsite public bathing facilities
Property is also known as
Hotel Platon Chikuma
Platon Chikuma
Hotel Platon Hotel
Hotel Platon Chikuma
Hotel Platon Hotel Chikuma
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Reviews
Hotel Platon Reviews
7.2
Good
6.6
Cleanliness
7.0
Location
7.8
Staff & service
7.4
Eco-friendliness
6.6
Property conditions & facilities
Reviews
2025/10/17
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Stayed 1 night in Oct 2025
8/10 Good
Atsuko
2024/2/24
Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
漸く、行けたよ、雪チラつく戸倉上山田♨
Atsuko
Stayed 1 night in Feb 2024
8/10 Good
takuji
2024/1/6
Liked: Staff & service
Disliked: Property conditions & facilities
takuji
Stayed 1 night in Jan 2024
4/10 Poor
318
2023/10/9
Disliked: Cleanliness
318
Stayed 1 night in Oct 2023
10/10 Excellent
つとむ
2021/11/26
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
つとむ
Stayed 1 night in Nov 2021
4/10 Poor
Verified traveler
2020/9/5
Disliked: Cleanliness, staff & service, property conditions & facilities, room comfort
Verified traveler
Stayed 1 night in Sep 2020
6/10 Okay
Verified traveler
2020/3/15
リーズナブル
Verified traveler
Stayed 1 night in Mar 2020
6/10 Okay
Shigemitsu
2020/1/14
Disliked: Cleanliness, room comfort
プラトン
Shigemitsu
Stayed 1 night in Jan 2020
6/10 Okay
Verified traveler
2020/1/7
Liked: Staff & service
Disliked: Amenities, property conditions & facilities
Verified traveler
Stayed 1 night in Jan 2020
4/10 Poor
Sivashankaran
2020/1/1
Disliked: Cleanliness, property conditions & facilities, room comfort
Poor maintenance n cleanliness
Sivashankaran
Stayed 1 night in Dec 2019
6/10 Okay
Verified traveler
2019/12/24
Disliked: Property conditions & facilities, room comfort
チョッとめんどう
Verified traveler
Stayed 1 night in Dec 2019
10/10 Excellent
TAKASHI
2019/10/16
Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
丁寧な電話対応ありがとうございました!
TAKASHI
Stayed 1 night in Oct 2019
10/10 Excellent
Verified traveler
2019/8/27
Liked: Staff & service, room comfort
良いと思います!
Verified traveler
Stayed 1 night in Aug 2019
6/10 Okay
Shigemitsu
2019/6/13
Disliked: Cleanliness, room comfort
プラトンは旅の目的次第です。
Shigemitsu
Stayed 1 night in Jun 2019
6/10 Okay
mitsuji
2019/5/7
Disliked: Cleanliness, property conditions & facilities, room comfort
温泉イマイチ
mitsuji
Stayed 1 night in Apr 2019
8/10 Good
masaru
2018/12/22
masaru
Stayed 1 night in Dec 2018
10/10 Excellent
Verified traveler
2018/11/28
Verified traveler
Stayed 1 night in Nov 2018
8/10 Good
Craig
2018/11/5
Liked: Cleanliness, staff & service
Good clean budget room
Craig
Stayed 1 night in Nov 2018
6/10 Okay
COZY, JAPAN
2018/10/30
Liked: Staff & service
Disliked: Cleanliness, property conditions & facilities, room comfort
COZY
Stayed 1 night in Oct 2018
10/10 Excellent
Verified traveler
2018/9/25
Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
なかなかよかった^_^
Verified traveler
Stayed 1 night in Sep 2018
8/10 Good
Verified traveler
2018/6/3
Liked: Staff & service
値段の割に快適!
Verified traveler
Stayed 1 night in May 2018
6/10 Okay
Verified traveler
2017/12/18
Disliked: Cleanliness, property conditions & facilities, room comfort
ビジネスに重宝
Verified traveler
Stayed 10 nights in Dec 2017
6/10 Okay
Verified traveler
2017/10/15
Disliked: Cleanliness, property conditions & facilities, room comfort
上山田温泉のはずれにあります
Verified traveler
Stayed 1 night in Oct 2017
8/10 Good
Tateo, 神奈川県
2016/7/30
Liked: Cleanliness, staff & service, room comfort
温泉設備のある気持ちよいホテル
Tateo
8/10 Good
Verified traveler
2016/6/21
Liked: Cleanliness, staff & service, property conditions & facilities, room comfort








