A natural spa refers to a place or setting where hot springs or mineral-rich water sources occur naturally. It typically offers relaxation and healing properties for visitors to enjoy. Full definition
The lodge is already very well known for its in natural spa treatments and healing hand massages. (breakingtravelnews.com)
This hotel becomes one with the nature since the river that passes near the property, behind the hotel provides beautiful natural swimming pools like natural spa! (malpaisbeach.com)
Also, this spa is in one of the 10 best natural spas of the world. (feedspot.com)