https://www.biei-hokkaido.jp/ja/sightseeing/hokusei-no-oka-observatory/
http://biei.selfip.com/
https://www.biei-hokkaido.jp/ja/sightseeing/shirogane-blue-pond/
https://www.shikisainooka.jp/
http://biei-eori.com/
https://www.biei-hokkaido.jp/ja/sightseeing/shin-ei-no-oka-view-park/