SN7507 : Landslide on Graig Road between Godre'r Graig and Ystalyfera

taken 9 years ago, near to Cilmaengwyn, Neath Port Talbot/Castell-Nedd Port Talbot, Great Britain

Landslide on Graig Road between Godre'r Graig and Ystalyfera
Landslide on Graig Road between Godre'r Graig and Ystalyfera
In 1965 part of Mynydd Allt-y-grug slipped down over this section of road sweeping away all the houses either side of it. The road has only ever been reopened as a much narrower path for light foot traffic.
In the photo you can see how much the landslide has reduced the width of the road. However this is not the whole story: a few hundred yards further back the road is a third wider again with a pavement on both sides.
The landslide is thought to have been triggered when a water main supply was accidentally ruptured, allowing water between layers of otherwise impermeable rock. Even now at the southwest end of the landslip there are extra drainage pipes running down the mountain to help prevent further occurrences.
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SN7507, 12 images   (more nearby )
Photographer
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Date Taken
Thursday, 10 September, 2009   (more nearby)
Submitted
Friday, 11 September, 2009
Category
Landslides   (more nearby)
Subject Location
OSGB36: geotagged! SN 7580 0753 [10m precision]
WGS84: 51:45.1591N 3:48.0408W
Camera Location
OSGB36: geotagged! SN 7581 0754
View Direction
Southwest (about 225 degrees)
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