Nanki-Katsuura Onsen, Nachikatsuura, Wakayama Prefecture
Hotel Urashima Day-Use Baths
The most distinctive splurge for a one-off day visit in Nanki-Katsuura, thanks to its cave baths and several bathing areas. For a short or low-budget soak, use a local communal bath instead.
Check before bathing
- Opening hours
- Day-use reception 09:00–18:00; bathing ends at 19:00. Each bath has its own cleaning break. Annual and temporary closures may occur.
- Tattoo policy
- The current first-party information reviewed does not confirm a tattoo policy. Ask the hotel before visiting.
Spring & water temperature
- Spring-source temperature
- 53.8°C for the representative mixed spring in the central tank; not a common value for all 10 springs or bathing pools.
- Bathing temperature
- Not published.
- Spring source
- The hotel owns 10 springs. The cited representative technical figure is for the hotel's mixed central spring tank, not every source or bath.
- Spring classification
- Sulfur-bearing sodium-calcium chloride spring, based on the central mixed-spring tank.
- pH
- Not published in the current material summarized here.
- Flow rate
- Not published in the current material summarized here.
- Water handling
- The hotel describes its large baths as source-flowing. The Wakayama Onsen Association lists the central mixed spring as source-flowing, without added water or heating, and with daily water replacement. The current day-use product includes four bath areas, including cave baths. The representative central-tank data are not assumed to describe all 10 springs or every bath identically.
Bathing indications
The hotel and Onsen Association list general bathing indications for the spring type. These are not treatment guarantees.
The hotel describes its large baths as source-flowing; the association's central-tank listing says no water is added or heated and that water is replaced daily. Conditions are not assumed identical across all baths.
Day admission is ¥2,500 for adults and ¥1,250 for children aged 3 through elementary school; face and bath towels are included.
How to read a bath profile
Spring-source temperature and actual bathing temperature are kept separate. Each score is shown independently for comparison rather than collapsed into one overall score.
