You need 2 gallons of water per day per person while on camping trip outdoors.
Water is used for drinking, cooking, cleaning, bathing, and putting out fire.
Running out of water will ruin your trip so be sure to bring a lot. You can get a collapsible 5 gallon plastic container.
US adults drink 44 oz of water per day per CDC.
60% of the human body is water.
drink a lot of water while exercising outside.