River Leven, North Yorkshire River Leven, North Yorkshire The River Leven is a river in North Yorkshire, England, a tributary to the River Tees. It rises on Warren Moor, part of Kildale Moor, in the North York Moors and flows to the north of the moors to join the River Tees at Yarm. The source of the river is on Warren Moor, part of Kildale Moor, just south of the village of Kildale. It flows east until it reaches the Whitby to Middlesbrough rail line where it does a complete turnaround to flow west to Kildale. It then flows south-south-west through woodland to the
Middlesbrough borough. The town is made up of the borough, as well as the suburbs which make up the area known as Greater Eston, which is to the east of the borough in Redcar and Cleveland. Greater Eston does not have a very high ethnic minority population, which makes the town less ethnically diverse than the smaller borough. In the borough of Middlesbrough, 14.0% of the population were non-white British, compared with only 11.6% for the town. This makes the town about as ethnically diverse as Exeter. Additionally, it has a lower white British population than Gateshead and South Shields which