5 DAYS – 4 NIGHT ( Volcanology Trek Program : Sembalun, Summit, Lake, Hotspring, Cave, Baby Volcano, Senaru )
07.00am. Registration in Rinjani Information Center (RIC) 1051m and start the trek to Pos 1 (Pemantauan) 1300m, walking time is about 2 hrs. We take a rest here for 5 mins at Pos 1 (pemantauan) and then continue to Pos 2 (Tengengean) 1500m walking time about 1 hr. We take a rest here for 5 mins at Pos 2 (Tengengean), and then continue to Pos 3 (Pada Balong) 1800m, walking time is about 1 hr. We rest here for 2 hrs at Pos 3, have lunch, and a hot drink (tea, coffee, hot chocolate or lemon tea). After lunch and a rest, we continue to Sembalun Crater Rim (Pelawangan Sembalun) 2639m, walking time 3 hrs including a prolonged steep climb. We will camp the night at Sembalun Crater Rim, and from here enjoy the incredible view. As the sun sets, you can see Segara Anak Lake, Sembalun , the summit of Mt. Rinjani and all the way to Mt. Agung in Bali.
02.00am wake up and have a light breakfast. 03.00am Start the trek to the Rinjani Summit (3726m), walking time about 3 hrs and 40 minutes. The 1st stage is a moderate climb for 2 hrs, the 2nd stage is a fairly easy but long trek. The last hour is very steep and difficult. (There are many loose stones, and as you take two steps wake forward, you will slip one step back). From the Summit, you can see all of Lombok Island, Bali, Sumbawa and Segara Anak Lake. After sunrise we will go down to the Sembalun Crater Rim and have Breakfast. After breakfast and a rest, we will continue down to Segara Anak Lake (2000m) walking time about 3 hrs. We will have lunch in the lake area and then go to the Hotsprings for a relaxing natural hot spa, walking time only 10 minutes from the lake. After the hot springs, we will go back to lake to do some fishing. We will Camp overnight at the lake.
After breakfast at 06.30am, continue to Baby Volcano, walking time about 3 hours. Enjoy the summit of Baby Volcano (2363m) and the view. We will return to base camp. After lunch and a rest, at 02.00pm visit milk cave walking time about 30 minutes, explore the cave and back to the lake, go fishing at the lake. Camp overnight at the lake.
After breakfast go to hot spring, and do fishing in the lake. After lunch, we will continue to trek to the Senaru Crater Rim, (Pelawangan Senaru) 2641m. walking time about 2 hours. Enjoy the spectacular view from Senaru Crater Rim, watch the sunset, and camp overnight here.
After Breakfast go down from the Senaru Crater Rim, total walking time 7 hours. The majority of the route is through rainforest. This Trekking program finishes in Senaru Village.