The River Erewash is a river located in the East Midlands of England. It flows through the counties of Derbyshire and Nottinghamshire, stretching approximately 20 miles. The river is a tributary of the River Trent and is known for its scenic landscapes and diverse wildlife. Historically, the River Erewash played a significant role in the industrial development of the region, particularly during the 19th century. It was used for transporting goods and materials, contributing to the growth of nearby towns such as Ilkeston and Long Eaton. Today, the river is popular for recreational activities like walking and fishing.