rinjani4dIn 1257, Mount Samalas, the precursor to Mount Rinjani, experienced a catastrophic eruption, one of the most powerful in recorded history. This caldera-forming event reshaped the landscape,Trekking Rinjani 4 days 3 nhts Summit and Segara Anak lake start from Sembalun village to the crater rim Sembalun, summit, Lake and descend to Senaru village. This program is suitable