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.
$$
Spas inside hotels, many open to non-guests.
2 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.
Arima Onsen, Hyogo
Hotel spa in Arima Onsen with Arima's rare iron-rich "ginsen" waters, outdoor baths, sauna and jacuzzi, run as an all-inclusive overnight stay.