The Elkhorn River is a river in northeastern Nebraska, United States, that originates in the eastern Sandhills 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 (1.6 km) south and 3 miles (4.8 km) west of Gretna.
Located in northeast and north-central Nebraska, the Elkhorn River basin encompasses approximately 7,000 square miles (18,000 km2). The Elkhorn has several tributaries, including its own North and South forks, Logan Creek Dredge, Rock Creek and Maple Creek.
