Kichimi, Moriyama, Shiga Prefecture
Moriyama Natural Onsen Hotaru-no-Yu
A practical evening soak in Moriyama if you want natural hot spring water without a large heated-stone area or lake view. Car-free visitors should check the last leg of the journey, and young children still in diapers cannot use the bathing pools.
Check before bathing
- Opening hours
- 10:00–24:00; last admission 23:30.
- Tattoo policy
- Not permitted. The facility refuses guests with tattoos, tattoo stickers or paint.
Spring & water temperature
- Spring-source temperature
- Not published.
- Bathing temperature
- Not published.
- Spring source
- Moriyama Natural Onsen, drawn from about 1,300 m underground.
- Spring classification
- Simple hot spring (low-tonicity, weakly alkaline, cool spring).
- pH
- 7.7.
- Flow rate
- Not published.
- Water handling
- The facility says the natural spring rises from about 1,300 m underground. Full water addition, heating, circulation and disinfection conditions are not published for each pool.
Bathing indications
The facility lists neuralgia, muscle and joint pain, frozen shoulder and related general bathing indications. This is not a medical treatment guarantee.
Guests using diapers or training pants, and children who have not stopped using diapers, may not enter the pools. A baby bath is available for young children. Towel set rental is ¥300. Tattoos, tattoo stickers and paint are not allowed.
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.
