Lamandau River
Lamandau River Lamandau River is a river of Kalimantan, southern-central Borneo, Indonesia. Downstream after passing the village of Nanga Bulik it becomes the Kotawaringin River. The valley formed by the river and its tributary has an ancient Kotawarinjin town and also gold and gems stones mining areas. In the upper reaches of the tributary valley of Arut River the Panhakalnbun town flourishing on its banks. Lamandau River flows through southern Central Kalimantan and flows through Pangkalan Bun and into the Java Sea near Kumai at 2x51′20″S 111x43′14″E / 2.85556xS 111.72056xE / -2.85556; 111.72056. It is a major tributary of Kotawarinjin River, known by this name after its confluence below Naga Bulik village. Tributaries include the Arut River, where in its upper reaches the Panhakalnbun town is located. While the lower reaches of the river is intensely populated, the upper reaches have contiguous forest areas where Orangutans could be seen. Kotawarinjin town to th...