3 Ways to Make Coffee in the Backcountry
"Grab some sturdy paper filters, drop your desired amount into the filter, pin up the edges (like a parachute), and tie it shut with a piece of paracord or any other type of string (dental floss, or even hair ties will work). If you gather water from a stream or river, make sure to get it to a boil or pre-filter, then drop your coffee bag in the pot."