This is close to "Kimio-dera" where there is the 2nd temple of Saigoku 33 pilgrimage as well as well known cherry blossoms. The bathing is free for staying guests or the person who eats and drinks there over 3,000 yen.
You can find various souvenirs of Wakayama and spend a relaxing time.

< Natural Kimii-dera Onsen: Hana-no-Yu, Garden Hotel Hayashi>
○ Address: 673 Kimiidera, Wakayama
○ Phone: 073-444-1004
○ Business Hours: 11:00 ~ 22:00
○ Open every day
○ Price: Day trip bathing: Adult 800 yen, Child 400 yen
○ Access: About 5 minutes on foot from JR Kimiidera Station
○ URL: