rinjani4dRTP - 02: Rinjani Trekking Packages 4Days3Nht 3D2N Trek + 1 nht in Hotel in Sembalun Hhlht ( Hotel, trek, adventure, wild life, Holiday, Eco-tour) Type Trek Expedition, Adventure,Then 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.