hot spring
thermal spring

Use of the thermal springs was first documented by the Romans.

It also has a series of thermal springs, which I'd like to explore sometime.

The city is known for its numerous mineral and thermal springs.

The region takes its name from the thermal springs located there for centuries.

Consequently it is often seen near the thermal springs along the fault line.

The first village was built near the thermal spring in the roman times.

In addition there are many thermal springs throughout the area.

It's an ancient place, and the Romans went there for its thermal springs.

The cave was created 300,000-500,000 years ago by a now disappeared thermal spring.

People believe that the water of these thermal springs can cure many illnesses.