flashlight with spare *new* batteries change of clothes (long pants recommended) spare socks wool socks light wool shirt or sweater or heavy cotton long-sleeve shirt wool hat light leather gloves toiletries (no shower, just hands/face) feminine products (if needed) therm-a-rest or foam pad sleeping bag pillow or pillow-substitute (preferably small) compass and/or GPS receiver (if you have it) two 1-quart water bottles, full prescription medication (if any) two sierra cups spoon you're willing to lose fork/chopsticks you're willing to lose/break knife, preferably folding (if you have it) non-heat-sensitive snacks backpack rain/dew cover rainjacket (or windbreaker if dry season) rain pants (if in season) sunglasses handful of 1-gallon zip-lock bags visored cap bandana sunscreen chapstick (if you're into that stuff) non-stinky insect repellant (normal DEET smell ok) unscented deodorant $5 in currency. $2-3 in coins. leave room for your share of food