Kemabu is the biggest river in Pogapa. It Flows from the East to the West of Pogapa. This river has about 11m-12m wide and 3m-4m dept. Many have became victim because this river has a very strong current. In the previous time people use rattan to build up a bridge but now the rattan has replace by a cable. The Bridge Views from Kolapa, Delfin Bagubau