This is a great and simple AeroPress recipe from Stumptown Coffee Roasters for use when you're on the road - camping, hiking, or anytime you don't have the facility of a home kitchen nearby.
Give it a try!
This AeroPress recipe employs the use of a hand grinder, but if you don't have one it's not too big of a sin to grind your beans before you leave home if you're not going to be away too long :)