3D2N Sangkareang Second Summit Trek Conquer Rinjani's Hidden Peak - 3,200m Sangkareang via Senaru Most trekkers race for Rinjani's main summit at 3,726m, enduring punishing loose-sand inclines. This 3D2N trek targets Sangkareang Peak (3,200m)—Rinjani's legendary second highest summit via the scen