This cave has been dug to transfer water from the mountainous areas south of the village and is unique in its kind. This cave is known in the local language as Giri Konar or Behdeh.
One of the important caravanserais located in Semnan province and south of Garmsar is "Ain al-Rashid" which is located a short distance from Ghasr-e Bahram caravansary.
Eshkaft-e Salman Cave is actually two cave entrances, one of which is much larger than the other. The caves are not very deep and at the deepest point of the caves there is enough light to see.