Derwentwater is a picturesque lake located in the Lake District of Cumbria, England. It covers an area of approximately 3.5 square miles and is surrounded by stunning hills and mountains, making it a popular destination for outdoor activities such as hiking and boating. The lake is also home to several islands, including Derwent Isle, which features a historic house. The lake is fed by the River Derwent and is known for its clear waters and diverse wildlife. It plays a significant role in the local ecosystem and is a key attraction for visitors exploring the natural beauty of the Lake District National Park.