- 864 Shirahama-chō Nishimuro-gun
- admission May-Sep ¥100, Oct-Apr free
- 10am-3pm, to 7pm Jul-15 Sep
Lonely Planet review for Shirasuna-yu
An open-air onsen off the boardwalk in the middle of Shirara-hama. You can soak here and then dash into the ocean to cool off – not a bad way to spend an afternoon.