Hoheikyo Onsen (豊平峡温泉) is known as Sapporo’s best onsen with 100% free-flowing hot sulfur spring, the large-scale open-air bath has good views of the mountains and starry sky. Indian cuisine is speciality of this place. It is also offering canoeing and rafting tours on the river from two people. More info www.hoheikyo.co.jp
From Sapporo Station bus terminal stop 12, Jotetsu Bus 7 (6 daily; 1.5hrs) and the comfy Kappa Liner (7 daily; 70min; reserved-seat) runs to Hoheikyo Onsen (¥960) via Jozankei.