I doubt that was backpackers. Looks like about 50 one gallon bottles. That is over 450 pounds of water. When I hiked the
PCT last year, I carried half a gallon of water and my pack still weighed 45 pounds. Backpackers, like me, usually carry a water filter, such as the PUR Hiker. If I can find a creek I can get all the drinking water I want. There is no reason to ever carry a ...