In Syunik region, near Satan’s Bridge (Satani Kamurj), at an altitude of 960 m above the sea level there is a hot spring. The water temperature is 25C. The spring source refers to the carbon-bicarbonate calcium water, with a small amount of iron. Source is left in its natural form, no trace of human intervention is found. Moreover, here are preserved the traces of ancient baths, which testify to the settlements dating BC. Similar traces were found in caves near the hot spring.