The River Ivel is a river located in central southern England. It flows through the counties of Bedfordshire and Hertfordshire, eventually joining the River Great Ouse. The river is approximately 30 miles long and is known for its scenic landscapes and natural beauty. The Ivel is a tributary that supports local wildlife and provides recreational opportunities such as fishing and walking along its banks. It passes through several towns, including Biggleswade and Sandy, contributing to the local ecosystem and community life.