Obtain, study, and carry detailed maps and a compass. Remember, outdoor skills are important. There are often no or few trails and these are likely unmarked. Terrain is often rugged and remote and help in emergencies is far away. Drinking water is a must and should be carried in.
Water is very scarce in the area most of the year.
If you must use springs or streams, be sure to treat the water, preferably by boiling for at least 5 minutes to prevent various parasitic diseases such as giardiasis. Be alert to symptoms of hypothermia. It can and does occur at temperatures well above freezing. Look for uncontrolled shivering, incoherence, fumbling hands, stumbling, and drowsiness. Treat by quickly drying and warming the victim.