This spring is located on the southeastern side of the historic Finn Garden in Kashan, six kilometers from the city center, and is actually part of the aqueduct. The number of wells from the main well to the aqueduct reaches 14 rings. The discharge of the aqueduct is very high and reaches about 350 liters per second.

Each atmosphere revolves around 14 days and nights, and each day is called an arch, and each night is called an arch.

Its water is extremely smooth, but it is not suitable for drinking due to having some salts. Finn spring water has always been famous for its special qualities such as cleanliness and low brightness, as well as its constant and unchangeable quality. This spring boils from the bottom of the cliffs called Dandaneh Mountain and the gap between the gypsum and limestone quarries located six kilometers west of Kashan.