Ranu Pane is a beautiful crater lakes on the upland of 3 km beyond the southern rim caldera of Semeru Mt. Ranu Pane is mostly passed by climbers who want to climb Mt Semeru. Together with Ranu Kumbolo and Ranu Regulo, this Ranu Pane is about 1 Ha. Ranu Kombolo with about 14 Ha is located between Ranu Pane and Mt Semeru.