To collect water from damp ground, dig a seep hole and allow water to ooze into the depression. To keep your water filter from clogging, let water in a freshly dug seep hole settle for an hour before filtering for drinking.
Before building a fire on cold or damp ground, construct a solid firebase of stone or green logs to keep the fire up off the ground where moisture from below can weaken the blaze.
Study local wind patterns before erecting a shelter, and keep the opening opposite the direction of the night wind.
To help prevent blisters, remove boots and socks frequently during long treks to rest your feet and allow the boots and socks to air out and dry.
Always gather dry tinder material as you encounter it, and store it in a dry place, because you cannot be sure of finding good tinder when you need it most.
Never pass up discarded materials. Examine every piece of litter you find to determine ways to put it to use. For example: A piece of a tin can or broken bottle glass can be used as a cutting edge.
In cold weather, start seeking or building your overnight shelter about three hours before sundown, to give you time to secure against the elements, get a fire going and gather sufficient firewood to see you through the night.
In hot weather, naturally seek the shade as you hike, moving from one shade to the next as much as possible. Move slowly, inhale through your nose to help prevent dehydrating your lungs.
Use a t-shirt to make an expedient covering for your head, neck and the sides of your face. Tie it on using a belt, a strip of cloth, or even a limber tree root. If necessary, just hang it over your head without a tie.
In your pocket, carry a folded sheet of heavy-duty tin foil to be used for fashioning a pot in which to boil water.