The mountainous region of Poraw (Mount Paraw) in the northeast of
Kermanshah has an area of about 1,020 sq. km. It consists of various mountains such as
Taq Bostan, Bistoon Poraw (3,257m), Kamar Kabood peak (2,916m) of the Chaleh Zand Mountains. The most important and deep cave of the middle east to the depth 572 m known as Poraw is located on southern slopes of Qateh Charmi summit. The Houjir Mountain is located to the east of the Poraw highland and the Denvar River Valley separates it from this region, and creates a smaller high land.
The mount was withdrawn during the third period of Geology (Tertiary) And in the fourth period (Quaternary) assumed its present form. Material of rocks are mainly sedimentary and limestone. This has caused a lot of caves and wells in the mountains arise.
Paraw cave or
Ghar Parau is located in 3050 meter above sea level which is the highest cave in the world and well known as Everest of world caves. this cave has 751 meter depth and with D5 degree of difficulty recognized as one of hardest caves to caving.
Poraw or Paraw is a kurdish name and means full of water (in Kurdish Language).