The water in Takinoya onsen is natural and is not heated mechanically.
It is good for neuralgia, rheumatism, compound fractures, burns, hemorroids, female disorders, atrophy, eye diseases, sensitivity to the cold and skin diseases.
Other than the baths in the gardens there are:
A male only bath (big enough for 50 people).
A female only bath (big enough for 20 people).
Both are open 24 hours, all year round.
Male and female sauna - which is free.