T'Boli, South Cotabato
', officially the ' (; ; ), is a in the province of , . According to the , it has a population of people. The town is named after the indigenous natives themselves, the Tboli people. Located in the town is Lake Holon within Mount Parker. The lake was declared as the cleanest inland body of water in the entire country in 2003 and 2004. Geography. Barangays. Tboli is politically subdivided into 25 barangays.