rinjani4dRinjani on the island of Lombok rises to 3726 m, second in heht among Indonesian es only to Sumatra's Kerinci . Rinjani has a steepRinjani 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