The Orne River is a river located in the Normandy region of northern France. It flows for approximately 70 kilometers (about 43 miles) and is a tributary of the Seine River. The river is known for its picturesque landscapes and is surrounded by lush greenery, making it a popular spot for outdoor activities. The Orne River passes through several towns, including Caen and Falaise, and is significant for its historical and cultural importance. It has been a vital waterway since ancient times, contributing to the development of the surrounding areas and providing resources for local communities.