The River Tiddy is a small river located in Suffolk, England. It flows through the countryside and is known for its picturesque scenery and natural beauty. The river is part of the River Orwell catchment area and contributes to the local ecosystem. The river is approximately 10 miles long and meanders through various landscapes, including farmland and woodlands. It supports a variety of wildlife and is a popular spot for activities such as fishing and walking. The Tiddy eventually joins the River Orwell, which flows into the North Sea.