By taking a course or two on basic rock climbing, almost anyone who is moderately fit can experience the excitement of this sport. Sometimes running shoes will do for hiking, but a sturdy pair of boots may be required, especially in the mountains and particularly if off-trail scrambling is involved. Consider scheduling your visit to a desert park to coincide with peak wildflower blooming periods. Apply a sunscreen of SPF 15 or higher before you go out, and wear a wide-brimmed cap and sunglasses. Stay on trails while hiking .
Falls are one of the top causes of injury in national parks.
Cellular phones, while expensive to operate, can afford you crucial help in emergencies. While hiking, or during any other strenuous outdoor activity, remember to drink lots of water. In the backcountry, always treat water with a filter or iodine.