湯あそびひろば 芦原温泉

Ashihara Onsen is an all-night sento in Minatogawa, Hyogo ward, open every day of the year from 14:00 until 10:00 the next morning. Its high-temperature sauna runs at around 100°C with a cold bath beside the door, and a separate low-temperature bedrock sauna; free crushed ice is handed out to eat in the sauna. Bathers also get a natural-onsen open-air bath and ten kinds of jet bath. Entry is ¥500, or ¥700 with the sauna.

Monday to Sunday: 2:00 PM – 10:00 AM (next day)