The Tees at Low Dinsdale
Template: Infobox River / Obsolete
The tea [ ti ː s] is a river in northern England. It rises on the eastern slope of the 893 meter high Cross Fell, the highest mountain in the Pennines, and flows after 113 km southeast of Hartlepool in the North Sea. The catchment area is 1834 km ².
The uppermost part of the valley known as Teesdale consists of extensive moors and is bordered by numerous hills, several of which over 750 m high. This is followed shortly several waterfalls and rapids, the " Cauldron Snouts "; the water rushes over dolerite and basalt rocks at depth. From a point just below the falls of the teas forms to its mouth, the boundary between the traditional counties of Durham and Yorkshire; However, since the local government reform in 1974, the river is almost entirely in the county of Durham. Beneath the Cauldron Snout solve forests from the hitherto very bleak landscape.
The first major development, more than 20 km to the source, is Middleton -in- Teesdale. The following are described by Walter Scott in poems places Barnard Castle, Eggleston Abbey, and Rokeby Hall. Subsequently, the valley is significantly wider and flatter, the river meanders through the wide plains south and east of Darlington.
Until Egglescliffe of teas generally flows in an easterly and southeasterly direction. He turns to the northeast and flows through the cities of Stockton -on-Tees and Middlesbrough. North-east of Middlesbrough lies the Teesport, which is one of the three major ports of Britain. The estuary protect two large formed from slag breakwater, which are each 3,292 meters long.