The River Adur is a river located in West Sussex, England. It flows for approximately 30 miles, starting from the South Downs and winding its way through towns like Shoreham-by-Sea before emptying into the English Channel. The river is known for its scenic beauty and diverse wildlife, making it a popular spot for outdoor activities. The river's catchment area includes several tributaries, contributing to its flow and ecosystem. The Adur is also significant for local history, as it has been a vital waterway for trade and transportation for centuries. Its banks are lined with walking paths, providing access for both residents and visitors.