My pack before it got stolen always contained what I thought were the basics. Small first aid kit, knife, sharpening stone, marking tape, hatchet, game bags, maps, water purifier, rope, rain coat(usually cheap poncho), tarp, matches, Bic lighter, Zippo, Ferro rod, small container of fire starting material, pot to cook with, small fishing kit, Space blanket, Paracord, duct tape, Signal Mirror, Compass, socks. Most I could pack in the cooking pot. Rope, Hatchet, marking tape, maps, compass, poncho, game bags, and first aid kit would fit in the internal divider pockets. Secondary compass, zippo, knife and sharpening stone I'd keep on my person. I also carry one or two bottles of water in my pack, as well as a canteen on my belt. Base camp would be a lot more obviously. Surprisingly enough, it really didn't weigh a lot.