| Tambagoko River | |
| Pushpin Map: | Mindanao |
| Pushpin Map Caption: | Tambagoko River mouth |
| Subdivision Type1: | Country |
| Subdivision Name1: | Philippines |
| Subdivision Type2: | Region |
| Subdivision Name2: | Caraga |
| Subdivision Type3: | Province |
| Subdivision Name3: | Agusan del Sur |
| Subdivision Type4: | Municipality |
| Subdivision Name4: | Sibagat |
| Length: | 14km (09miles) |
| Discharge1 Location: | Sibagat River |
| Discharge1 Avg: | 23m3/s |
| Source1 Location: | Sibagat, Agusan del Sur, Caraga Region |
| Mouth: | Sibagat River |
| Mouth Location: | Tabontabon, Sibagat, Agusan del Sur |
| Mouth Coordinates: | 8.8297°N 125.6981°W |
| Progression: | Tambagoko–Sibagat River-Wawa–Agusan |
| Basin Size: | 12km2 |
The Tambagoko River (Tagalog: Ilog Tambagoko; Cebuano: Suba sa Tambagoko) is a stream located in Sibagat, Agusan del Sur, Caraga Region, Philippines.[1] It is a tributary of the Sibagat River with headwaters located in the hinterlands of Barangays Perez and Sta. Cruz.
There were variant forms of names and spelling of Tambagoko River or in other native languages such like Tangbaguko, Tambugoko until its present name Tambagoko River.[2]
The Tambagoko River is situated approximately 8.91667, 125.7 in the island of Mindanao.[3] Terrain elevation at these coordinates is estimated 413 metres above sea level.
The river streams from the mountainous areas of Barangays Perez, Sta. Cruz, Sta. Maria and Tabontabon where its mouth is located in Barangay Tabontabon joins with the Sibagat River. The Sibagat River is a tributary to the larger Wawa River.[4]
The Tambagoko River including its surrounding areas comprising most of the barangays of Sibagat town was indexed by the Bureau of Soils and Water Management (BSWM) of the Department of Agriculture (Philippines) as one of the Land Resources Strategic Production Areas for Cacao production in the province of Agusan del Sur and Caraga Region.[5]
