It might seem counterintuitive to rely on a device so associated with the comforts of civilization for survival in the wilds, but a well-prepared iPhone could mean the difference between life and death when stranded in the great outdoors. When you're stuck miles from a strong signal to call for help or pinpoint your location on a map, these eight apps will help you find your way back to safety. For maximum effectiveness, be sure to combine them with a good solar iPhone charger or a rechargeable backup battery (or both, to be safe).
