The river that is pivotal for the economy and ecology of Bangladesh is the Ganges River. Flowing into the Bay of Bengal, the Ganges supports millions of people through fishing, agriculture, and tourism. The river’s fertile delta plays a crucial role in sustaining the country’s agricultural output and is vital for its diverse ecosystems. Additionally, the Ganges holds immense cultural and spiritual significance for the people of Bangladesh, further solidifying its importance to the nation's identity and livelihood.