The Surma River is a significant river in northeastern Bangladesh and India. It flows through the Sylhet region and is a tributary of the Brahmaputra River. The river is approximately 225 kilometers long and plays a crucial role in the local ecosystem and agriculture. The Surma River is known for its scenic beauty and supports various wildlife. It is also vital for the livelihoods of many communities along its banks, providing water for irrigation and fishing. The river's basin is rich in biodiversity, making it an important area for conservation efforts.