Find the flattest area possible with trees on one side. Do not build shelters in ditches that could flood during rain.
Inspect the area that you have found. Check for poisonous plants, anthills or predators.
Gather three large sticks or branches and lean them up against one another. The formation should look something like a tepee.
Dig a hole about 8 inches deep into the ground. Place the bottom of these sticks into the hole and cover the base around them with dirt and rocks.
Add more sticks to the shelter by leaning them against the other sticks. Be sure to leave one side open (the side away from the wind) for entering and exiting.
Cover the top of the shelter with a poncho (if readily available) to prevent rain from coming through.
Spread brush and leaves across the ground inside the shelter to help you retain body heat while sleeping.