Semeru is the highest volcano in Java (3676m) and one of the most active: the Global Volcanism Program observes that ‘Semeru has been in almost continuous eruption since 1967′. The view of Mount Semeru is best enjoyed from the vista point at Gunung Penanjakan. . The journey takes about 1 hour of climbing along narrow bends and sharp switchbacks. Journey usually commences between 0300 to 0330 hrs, just in time to catch the sunrise view at Penanjakan at around 0500…