Do I need to carry sleeping bags, mattresses, and pillows? A Do I need to carry sleeping bags, mattresses, and pillows? No. We carry good quality 4 season sleeping bags(up to -10℃ comfort range), mattresses and pillows. Categories: FAQs: Lamkhaga Pass Trek, Trek FAQs By raachotrekkers We trudge on the least explored trails and terrains of Kinnaur, Spiti, Uttarkashi and Garhwal region. View all of raachotrekkers's posts.