The River Lark is a river located in the eastern part of England, primarily flowing through the county of Suffolk. It stretches approximately 30 miles (48 kilometers) and is a tributary of the River Great Ouse. The river passes through several towns, including Bury St Edmunds and Mildenhall, and is known for its scenic landscapes and natural beauty. The River Lark is an important habitat for various wildlife species and supports local ecosystems. It is also popular for recreational activities such as fishing, canoeing, and walking along its banks. The river plays a significant role in the local agriculture and water management of the region.