Our guide will pick you up at hotel lobby at 06.00 AM then transfer to Sembalun. Register the Rinjani Information Center (RIC) in Sembalun Lawang (1,156 m), meet your guide and arrange National Park entry tickets. Your guide gives you briefing describes the route details, local cultural traditions and what you might see, and explains rubbish management and safety procedures. The trek starts from Sembalun Lawang with the gentle ascent walking through open grassland used as cattle grazing by local people. Resting at Pos 1 Pemantauan (1,300), after about three hours from Sembalun we reach Pos 2 Tengengean (1,500 m) enjoying the beautiful views of Mt. Rinjani summit (3,726 m). After another hours ascent to Pos 3 Pada Balong (1,800 m), we start the step 3,5 climb amidst the pine-like Casuarinas species locally known as Cemara, perhaps seeing evidence of wild pigs and the long-tailed grey macaque monkeys to the camp site at Plawangan II Sembalun crater rim (2,639 m).