Situated at 10 km away from Sovata resort in the Harghita District, Praid Saline is one of the biggest salt mines from the country and even Europe. Its exploitation has been standing for income source for the inhabitants of the area for hundreds of years. Having an elliptical shape, the deposit has the diameter of 1, 2-1, 4 km and the depth of 2.700 meters. Its deposits are almost 500 years old, the saline itself represents a true treasure for the economy of Transylvania.

Subterranean holes of great dimensions can be spotted, because of the massive salt exploitations. This way, a saline microclimate has slowly individualized itself, where the temperatures are relatively constant, between 14-16 degrees Celsius, the humidity is low (66-70%) and the pressure is stronger than the pressure of the surface