| Jiadhal River | |
| Name Other: | Kumotiya River |
| Pushpin Map: | India Assam#India |
| Subdivision Type1: | State |
| Subdivision Name1: | Assam |
| Subdivision Type2: | Dhemaji district |
| Source1: | Sub-Himalayan mountains, West Siang district |
| Source1 Location: | Arunachal Pradesh |
| Mouth: | Subansiri River |
| Progression: | Jiadhal River-Kumotiya River (Jiadhal takes new name)-Subansiri River-Brahmaputra River |
The Jiadhal River is a northern sub-tributary of the Brahmaputra River in the Indian state of Assam. The river originates from the hills of Arunachal Pradesh. The Jiadhali river flows through the Dhemaji district and takes the name of Kumotiya River from Gogamukh.The river finally joins Subansiri river, a major tributary of Brahmaputra River.[1] Jiadhal River is known as ‘Sorrow of Dhemaji’ for the heavy damage caused by annual flood and erosion.[2]