A Ryokan in Noboribetsu

What's your price range?

There are many great ryokan in Hokkaido. here's a list for Sapporo: https://www.tripadvisor.com/Hotels-g298560-zff9-Sapporo_Hokkaido-Hotels.html

Also a list in Otaru: https://www.tripadvisor.com/Hotels-g298153-zff9-Otaru_Hokkaido-Hotels.html

And here's a good list of Ryokan in Noboribetsu: https://www.japaneseguesthouses.com/ryokan-search-results/?area=Noboribetsu

I hope this helps! =)

I’ve stayed at Takinoya, and I enjoyed my stay a lot. It was conveniently located but was located in quiet surroundings. 

http://www.ryokan.or.jp/english/yado/main/03181

Another choice would be Kashutei-Hanaya.

www.kashoutei-hanaya.co.jp/en/guest-room-en/