Located in the middle of the natural surroundings of Lake Shikotsu, this is Ryokan (Japanese inn) run by the Japan Society for the Preservation of Secret Hot Springs, which has been in operation since 1915. The natural open-air bath on the lakeside is a place where you can truly enjoy the feeling of being in a secret hot spring. You can enjoy a panoramic view of the natural surroundings of Lake Shikotsu while soaking in the bath. It's a great place to relax with the whole family.

今まで色んな温泉のあるお宿は泊まりましたが、ここは群を抜いて良かったです♪温泉は川沿いにあり源泉かけ流しです。男女別の露天風呂もありますが、そこから混浴露天風呂につながっており、家族やカップルで温泉を楽しめると思います。食事も産地にこだわっており、旬の素材をふんだんに使ったお料理を堪能できました。お部屋も広々しており、宿泊したメゾネットタイプのお部屋はリビング空間とベッドルームが１階２階で分かれていて良かったです。お宿のまわりには、他に旅館が１～２軒ある程度で自然の中にポツンとあり、まさに秘境という感じです。ただ、北海道の東側、中標津町というところにあるので、アクセスするには大変かなと。拠点が札幌であれば一泊で行くのは難しいです。知床へは車で１時間程度（だったと記憶しております…）くらいなので、そちらへ行く予定があればぜひ行ってみてほしいお宿です。

This quiet hot spring hotel is located in Asahidake Onsen, about an hour from Asahikawa, and has an exterior reminiscent of a European mountain resort hotel, with relaxing rooms. Although it is in the mountains, the full-course Western meal service is delicious, using ingredients unique to Hokkaido. Needless to say, there is a wonderful hot spring, but there are also three free private baths that you can enjoy whenever they are available. This is a recommended place for trips around Asahikawa.

Although it can no longer be called a secret hot spring, why not visit the Shiretoko Peninsula in Hokkaido? The hotel I recommend is the Shiretoko Daiichi Hotel. It has an open-air bath facing the Sea of Okhotsk. This hotel serves delicious seafood from the north. What's more, the portions are generous.

「休暇村支笏湖」さんはいかがでしょうか。支笏湖の湖畔に建っており、北海道の自然に囲まれてのびのびと宿泊できるお宿です。天然温泉の大浴場は、支笏湖の四季を感じながら入れますよ。お料理が美味しいのも嬉しいポイントです。

知床にあるこの「知床プリンスホテル風なみ季」を候補の一つとしてご検討されてはいかがかと思います。源泉かけ流しの庭園風の露天風呂で、森林浴気分に浸りながら温泉が楽しめます。ここなら大自然を満喫できると思います。キッズスペースで子供ものびのびと遊べるので、家族全員楽しめるホテルです。

Noboribetsu Onsen is probably the most famous hot spring in Hokkaido, but I recommend this place because the large public bath is spacious and the quality of the water is good, so you can relax. There is also a service where you can enjoy alcoholic and soft drinks in the open-air bath, which is something you can hardly experience at other inns. Not only can you relax, but you can also have meals in your room, which is luxurious. There is also a table tennis and games corner on the premises, so children will not get bored.