Niobrara River

The Niobrara River is a 738 km | 458 mi long river in the United States, originating in eastern Wyoming and flowing through Nebraska before emptying into the Missouri River. It traverses the Great Plains and the Sandhills, offering diverse landscapes from canyons to prairie, and is known for recreational activities such as canoeing and wildlife viewing. Portions of the river are protected as a National Scenic River.