Elkhorn River
 The Elkhorn River (Pawnee: Kicita ) originates in the eastern Sandhills of Nebraska and is one of the largest tributaries of the Platte River flowing 290 miles (470 km) and joining the Platte just southwest of Omaha approximately 1 mile (2 km) south and 3 miles (5 km) west of Gretna.Located in northeast and north-central Nebraska the Elkhorn River basin encompasses approximately 7000 mi² (18000 km²).