The Basin of the Mississippi River is a vast area that collects water from numerous rivers and streams, draining into the Mississippi River. It covers parts of 32 U.S. states and two Canadian provinces, making it one of the largest river basins in North America. The basin plays a crucial role in the region's ecology and economy, supporting diverse wildlife and agriculture. The basin is approximately 1.2 million square miles in size, encompassing various landscapes, including forests, wetlands, and plains. Major tributaries include the Missouri River, Ohio River, and Arkansas River, all contributing to the flow and health of the Mississippi River.