River Irthing

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Irthing
River
Country United Kingdom
Part England
Source
 - location Paddaburn Moor
Mouth
 - location confluence with River Eden

The River Irthing is a river in Cumbria, England and a major tributary of the River Eden.

Rising in the hills around Paddaburn Moor in Border Forest Park, for the first 15 miles of its journey south it defines the border between Northumberland and Cumbria.[1] After passing Butterburn Flow raised bog, the river flows over the ten-metre high Crammel Linn waterfall in a sandstone gorge.[2] At Gilsland Spa, a sulphurous spring oozes out of the gorge walls. Chalybeate and petrifying springs are also characteristic of the local geology and are found on the Irthing's banks.

The River Irthing marked a significant transition in construction of Hadrian's Wall, between the limestone to the east and sandstone to the west. Hadrian's Wall crossed the river on a bridge at Willowford, east of Birdoswald Roman Fort. The fort is situated above a steep gorge carved by the river from the deep glacial till overlying the area. From that point its course as it turns west is lined with other Roman sites associated with the Roman Stanegate road and Hadrian's Wall,

Passing Brampton it merges with the River Gelt, and soon after meets the River Eden near Warwick Bridge, just north of Wetheral.

References

  1. ^ Philip's Motorist's Atlas: 2004, Octopus Publishing Group, London, England
  2. ^ English Lakes: River Irthing

Coordinates: 54°55′N 2°48′W / 54.917°N 2.800°W / 54.917; -2.800