Hot Springs


Geothermal Spring

Geothermal Springs

Hot Spring

Spring, Geothermal

Spring, Hot

Spring, Warm

Springs, Geothermal

Springs, Hot

Springs, Warm

Warm Spring

Warm Springs

Habitat of hot water naturally heated by underlying geologic processes. Surface hot springs have been used for BALNEOLOGY. Underwater hot springs are called HYDROTHERMAL VENTS.