The River Douglas is a river located in the northwest of England. It flows through the counties of Lancashire and Greater Manchester, eventually joining the River Ribble. The river is approximately 20 miles long and is known for its scenic beauty and natural habitats. The River Douglas is significant for local wildlife and recreational activities. It supports various species of fish and birds, making it a popular spot for anglers and nature enthusiasts. The river also features several walking and cycling paths along its banks, providing opportunities for outdoor activities and leisure.