rinjani4dThen you get to do one of the most popular and challenging treks in Indonesia. Towering at 12,224 feet on the island of Lombok, Mount Rinjani is one of the hhest volcanoes in Indonesia.Rinjani Trekking 4D3N Summit Duration: 4 Days 3 nht Starting Point: Sembalun 1156 M Finish: Senaru 600 M Campsite: Sembalun Crater 2639 M, Lake 2000 M, Senaru Crater 2641 M