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Our top choices for Kosai hotels

Tabist Kosai Hamanako no Yado

Tabist Kosai Hamanako no Yado
2.0 star property
Kosai
7.0 out of 10, Good, (46 reviews)
"Wonderful hotel. Very quiet. Our room was huge!"
United States
Sigrid
The price is 689.823 ₫
758.805 ₫ total
10 Feb - 11 Feb
Tabist Kosai Hamanako no Yado

Hotel Route Inn Hamanako

Hotel Route Inn Hamanako
3.0 star property
Kosai
8.0 out of 10, Very good, (188 reviews)
"very good"
Japan
たく
The price is 1.648.950 ₫
1.813.845 ₫ total
19 Feb - 20 Feb
Hotel Route Inn Hamanako

Tabist IWATA Station Hotel

Tabist IWATA Station Hotel
3.5 star property
Iwata
7.2 out of 10, Good, (153 reviews)
"Convenient location near the train station and the staff were all really friendly "
United Kingdom
Jamie Lee
The price is 1.204.931 ₫
1.325.424 ₫ total
8 Feb - 9 Feb
Tabist IWATA Station Hotel

Kuretake Inn Iwata

Kuretake Inn Iwata
3.0 star property
Iwata
8.4 out of 10, Very good, (65 reviews)
"The hotel and room were nice. The front desk staff was very helpful in securing us transportation for the following morning. "
United States
Wayne
The price is 2.710.786 ₫
3.280.052 ₫ total
27 Feb - 28 Feb
Kuretake Inn Iwata

Marugen

Marugen
2.0 star property
Iwata
8.6 out of 10, Excellent, (24 reviews)
"スタッフは、とても親切でしたし、サービスが、いきとどいていました。24時間いつでも、入浴できるのはとても有難かったです。 犬も泊まれて最高👍"
Japan
Kayoko
Marugen

Hotel Route Inn Iwata Inter

Hotel Route Inn Iwata Inter
3.0 star property
Iwata
8.4 out of 10, Very good, (186 reviews)
"Next to a small shopping center with a super market and a couple of restaurants. Hotel is right next to the highway exit"
United States
Evan
The price is 2.047.999 ₫
2.252.749 ₫ total
9 Mar - 10 Mar
Hotel Route Inn Iwata Inter

GREENITY IWATA

GREENITY IWATA
3.0 star property
Iwata
10.0 out of 10, Exceptional, (32 reviews)
"Everything about the hotel was amazing. From the room layout and appearance to the bar and staff. I will definitely be staying here again the next time I come to Japan."
United States
Jonathan
The price is 3.339.614 ₫
3.673.575 ₫ total
9 Mar - 10 Mar
GREENITY IWATA

Tennomaru

Tennomaru
4.0 star property
Kota
8.8 out of 10, Excellent, (20 reviews)
"朝食付きのプラン 1人づつのお膳でした。出来立ての卵焼きや魚の揚げ物が着席後に提供されました。大変美味しかったです。"
Japan
MASAYUKI
The price is 4.784.883 ₫
5.263.371 ₫ total
9 Mar - 10 Mar
Tennomaru

Hiranoya

Hiranoya
4.0 star property
Gamagori
7.8 out of 10, Good, (118 reviews)
"Yosh"
United States
Eric
The price is 2.650.848 ₫
2.965.636 ₫ total
9 Feb - 10 Feb
Hiranoya

Kaze no Tani no Iori

Kaze no Tani no Iori
4.0 star property
Kota
9.0 out of 10, Wonderful, (4 reviews)
"昨年から訪れ始めて今回が3度目です。何をとっても最高です。"
Japan
NORIAKI
The price is 13.148.810 ₫
14.463.691 ₫ total
9 Feb - 10 Feb
Kaze no Tani no Iori

Tenku Kaiyu no Yado Suehiro

Tenku Kaiyu no Yado Suehiro
3.5 star property
Nishiuracho
7.8 out of 10, Good, (55 reviews)
"Great dinner and breakfast. Enomous amount of food, including steak, lobster, fish, pork, rice, soup, dessert. Roof top onsen has a great view. The hotel is also walk distance to a famous sunset viewing spot. The room is a little bit old but clean and nice."
Saudi Arabia
Tyler Francis
Tenku Kaiyu no Yado Suehiro

Hotel Meizanso

Hotel Meizanso
3.5 star property
Gamagori
9.0 out of 10, Wonderful, (17 reviews)
"Wonderful hotel and room. Great view of ocean. Onsen was really nice. Japanese breakfasts and dinners outstanding. Staff so very nice and helpful. I hope to go back some day. "
United States
Sally
The price is 5.301.697 ₫
5.881.570 ₫ total
8 Feb - 9 Feb
Hotel Meizanso

Tabist Katahara Resort Gamagori

Tabist Katahara Resort Gamagori
2.5 star property
Gamagori
6.2 out of 10, (24 reviews)
"Considering the price, it makes sense"
Japan
しんいち
The price is 1.204.931 ₫
1.325.424 ₫ total
22 Feb - 23 Feb
Tabist Katahara Resort Gamagori

Hotel Tatsuki

Hotel Tatsuki
3.0 star property
Nishiuracho
6.0 out of 10, (2 reviews)
"色々な温泉宿に行きましたが、食事最高でした。食べきれない位、量と質。老舗とあって、建物は古いですが、 また行きたいです。"
Japan
ミナミ
The price is 7.952.545 ₫
8.797.502 ₫ total
8 Feb - 9 Feb
Hotel Tatsuki

Gamagori Classic Hotel

Gamagori Classic Hotel
3.0 star property
Gamagori
8.4 out of 10, Very good, (18 reviews)
"見晴らしのよいお部屋でした。 夜の鉄板焼きもライブ感があり、楽しく美味しく頂けました。"
Japan
Mariko
The price is 5.476.984 ₫
6.627.150 ₫ total
9 Feb - 10 Feb
Gamagori Classic Hotel

Hotel Route Inn Shinshiro

Hotel Route Inn Shinshiro
3.0 star property
Shinshiro
9.2 out of 10, Wonderful, (475 reviews)
"Very clean and very friendly staff."
United States
Jeremiah
The price is 1.987.866 ₫
2.186.653 ₫ total
13 Feb - 14 Feb
Hotel Route Inn Shinshiro

Henn na Hotel Lagunatenbosch

Henn na Hotel Lagunatenbosch
3.0 star property
Gamagori
8.2 out of 10, Very good, (192 reviews)
"Starting from entrance our baby really love it because of realistic Dinosaur’s that welcoming every guest,I was also surprised of a spacious room & very clean room very relaxing, And my husband really loved the breakfast a lot of choices and they prepared it perfect. "
United States
Carina
The price is 3.505.254 ₫
4.241.357 ₫ total
8 Feb - 9 Feb
Henn na Hotel Lagunatenbosch

Gamagori Hotel

Gamagori Hotel
3.0 star property
Gamagori
6.8 out of 10, (126 reviews)
"Quiet comfortable"
United States
Mario
The price is 1.491.102 ₫
1.689.915 ₫ total
8 Feb - 9 Feb
Gamagori Hotel

Hazu Bekkan

Hazu Bekkan
3.0 star property
Shinshiro
8.6 out of 10, Excellent, (12 reviews)
"This Ryokan was absolutely perfect. Train station literally across the street. Quiet area and the property itself was spectacular. Rooms were spacious, food was delicious. Also, onsen near the lake was peaceful. I would highly recommend staying here."
United States
Channing
Hazu Bekkan

Hamanako Wan Wan Paradise Hotel

Hamanako Wan Wan Paradise Hotel
3.0 star property
Kanzanjicho
8.6 out of 10, Excellent, (48 reviews)
"きれい、食事美味しい、スタッフ優しい、また来たい"
Japan
二也
The price is 3.232.228 ₫
3.605.154 ₫ total
8 Feb - 9 Feb
Hamanako Wan Wan Paradise Hotel
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
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Stay near popular Kosai attractions

Learn more about Kosai

Between the golden shores of Arai Benten Beach and the tranquil waters of Lake Hamana, visitors find perfect spots for swimming and watersports. Explore the historic Sakichi Toyoda Memorial House before visiting ancient Ogaji Temple where locals still come to pray beneath centuries-old trees.

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Frequently asked questions

What's the seasonal weather like in Kosai?
The hottest months are usually August and July, with an average temperature of 25°C, while the coldest months are January and February, with an average of 8°C. The rainiest months in Kosai are July, June, September and October, with each month seeing an average of 293 mm of rainfall.

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