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
Roman Catholic Diocese of Middlesbrough Diocese of Beverley, which covered the whole of Yorkshire, was divided into the Diocese of Middlesbrough, covering the North and East Ridings of Yorkshire and those parishes in the City of York to the north of the River Ouse, and the Diocese of Leeds, covering the West Riding of Yorkshire and those parishes in the City of York to the south of the River Ouse. In 1982 the two York parishes south of the River Ouse were ceded to the Diocese of Middlesbrough to unite the City of York under one bishop. The parish of Howden was transferred from Middlesbrough