The River Cocker is a river located in the Lake District of Cumbria, England. It flows for approximately 10 miles, starting from the slopes of Black Combe and eventually joining the River Duddon. The river is known for its scenic beauty and is surrounded by lush landscapes, making it a popular spot for nature enthusiasts. The River Cocker is characterized by its clear waters and diverse wildlife. It supports various fish species, including trout and salmon, and provides habitats for numerous birds and other animals. The river's ecosystem plays a vital role in maintaining the natural balance of the region.