Finding and Purifying Water
The next most important priority is water. Finding and purifying water is of primary concern in a wilderness survival situation. The best sources for drinking water in a wilderness are springs, headwater streams, and morning dew. You can find water by following the sound of a flowing river or grazing animals.
Once you have found water, purifying it is another task. You can purify water by either boiling or filter it. If you have a fire then boiling is the best way to purify water. Even if you don’t have a container to put water in, you can heat up some rocks, drop them into the water and let it boil for 2-3 minutes. For filtering, allow the water to stand till the mud settles to the bottom and then you can use any cloth to strain out remaining silt.