Susukino Tennen Onsen Toukakyou
Hotel SpaSapporo, Hokkaido
Natural hot spring inside Sapporo's Jasmac Plaza Hotel in Susukino, open to day visitors and hotel guests alike, with sauna and a rest lounge.
Only available to overnight guests.
5 spas match
Sapporo, Hokkaido
Natural hot spring inside Sapporo's Jasmac Plaza Hotel in Susukino, open to day visitors and hotel guests alike, with sauna and a rest lounge.
Ginzan Onsen, Yamagata
A riverside hotel spa in Ginzan Onsen with a thermal bathing pool, overnight stay and day-pass access for non-guests.
Kurokawa Onsen, Kumamoto
Okunoyu is a ryokan onsen in Kurokawa Onsen, Kumamoto, with outdoor thermal baths open to day visitors and overnight guests, daily 8:30am–8:30pm.
Shibu Onsen, Nagano
A ryokan in Shibu Onsen with indoor and outdoor hot-spring baths fed by two blended mineral springs, open only to overnight guests.
Atami, Shizuoka
A hotel spa in Atami with a thermal onsen pool, open only to overnight guests staying at Fufu Atami.