For various tragic reasons, four hikers died in separate incidents on the Kokoda Track during the 2009 trekking season. The trail runs for 60 extremely remote miles overland through Papua New Guinea’s Owen Stanley Mountain Range, climbing to more than 7,000 feet. A journey on the trail—which was the site of a World War II battle between Japanese and Australian forces—takes 4 to 10 days for most groups. Weather swings between hot days and frigid nights. Malaria and other tropical diseases are constant threats on what is among the world’s most dangerous long-distance backpacking routes.