The 48-day July-August annual Hindu pilgrimage, undertaken by up to 600,000 or more pilgrims to the -high glacial Amarnath cave shrine of iced stalagmite Shiv linga at in Himalayas, is called Amarnath Yatra. It begins with a mountainous trek from the Nunwan and Chandanwari base camps at Pahalgam and reaches the cave-shine after night halts at Sheshnag Lake and Panchtarni camps.