Billion Onsen and Spa
Day SpaKuala Lumpur
An onsen-style day spa in Kampung Baru, Kuala Lumpur, with thermal pools, sauna, steam room and couples treatments.
$$
Onsen
Japanese hot-spring baths, often with ryokan stays.
9 spas match
Dogo Onsen Main Building
BathhouseDogo Onsen, Ehime
A roughly 3,000-year-old public hot spring bathhouse in Matsuyama, designated an Important Cultural Property, open daily with walk-in day passes from 700 yen.
$Ryo Kan
Hotel SpaMexico City, Quintana Roo
A Japanese-style hotel spa in Mexico City's Cuauhtémoc district with tatami suites, outdoor onsen baths and a $2,080 day pass for couples.
$$$$Suzuran-no-yu
OnsenArima Onsen, Hyogo
A moderately priced onsen bathhouse in Arima Onsen, Kobe, with a forest sauna, a large outdoor bath, yoga and an award-recognized restaurant.
$$The Sparadise
Korean SpaHo Chi Minh City
A Korean-style jjim jil bang in Ho Chi Minh City with six heated rooms, a Dead Sea mineral soaking pool, and massage, hair-wash and facial services.
$$Ibusuki Shusui-en
Hotel SpaIbusuki, Kagoshima
A ryokan-style hotel in Ibusuki with source hot-spring baths, both shared and private, open only to overnight guests.
$$$Zuihouen
Hotel SpaArima 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.
$$$Momiji Onsen & Spa
Day SpaKrabi
A moderately priced onsen-style day spa in Ao Nang, Krabi, open daily from late morning into the night.
$$Yufudake Ichibo no Yado Kirara
Hotel SpaYufuin, Oita
A small hillside ryokan near Yufuin's town center where every room has its own half-open-air bath filled with 100% source hot-spring water and a view of Mt.
$$$
