After register in RIC Sembalun, starting in the morning from Bawak Nao Villlage Sembalun, the shorter and easy trek climb to Plawangan II at 2,639 m will take about 7 hours via POSI 1,300 m, POSII 1,500 m and POSIII 1,800 m. Starting altitude is 1100 m, First half or more of the trek is literally a breeze. The trek through savannah grassland is windy and easygoing.