rinjani 4d4D 3N Rinjani Trekking Tour Itineraries. Start Trek : Via Sembalun. End Trek : Via Torean. Hhlhts : Sembalun Rim, Rinjani Summit, Lake and Hot Spring Water, ToreanMt. Rinjani trekking is the most trekkers’ program choice and suitable for beginners. You will spend 4 days and 3 nhts for Mt. Rinjani trekking starting from Senaru village to