Day 02: Sembalun Crater Rim(2.639m) – Summit/Top 3.726m – Segara Anak Lake and Hot springs (2008m). We woke up at 02:30 am and had some light breakfast, then leave at 03:00 am we started the trek to Rinjani Summit (3726 m). Walking time approximate 3 hours and 20 minutes. The first stage is a moderate climb…