Lots of little single-use plastic bottles. No, come on, it's to see if you follow! Your reusable water bottle, which you
Your camping gear: tent, mattress, comforter, etc. (‘cause, you know, it's a campsite!) It can get chilly at night, so
Flashlight or headlamp (‘cause you know it's dark in the forest at night).
Sunscreen and mosquito repellent (‘cause you need to be protected at all times and from anything)
Rain gear (‘cause you never know with the weather)
Your favorite soft drinks and alcoholic beverages, ideally in aluminum rather than glass for safety reasons, and maybe
Snacks if you feel like it (but, you know, there'll be dinner, a midnight snack and breakfast, but we're not immune to
Your bathing suit and towel (‘cause you know there's a lake)
Your eco-responsible costume to welcome the aliens (‘cause you know, Earthlings know how to entertain)
Your favorite outdoor games (‘cause you know there's no such thing as too much fun)
Your best energy and your big smile (‘cause you know that's what we're here for)