Safety tip: carry plenty of water and a personal locator beacon. You have to pay for the hardware and register it, but afterwards it's free and is a reliable wa

Safety tip: carry plenty of water and a personal locator beacon. You have to pay for the hardware and register it, but afterwards it's free and is a reliable way to summon emergency services from anywhere. It sends an emergency signal received by satellites and rescuers will be alerted of the location of the signal.