2006
SN8118 : Afon Giedd below Disgwylfa
taken 20 years ago, 4 km WNW of Glyntawe, Powys, Wales
This is 1 of 10 images, with title starting with Afon in this square

Afon Giedd below Disgwylfa
This photo shows the change from sandstone (the river bed) to limestone (the hill beyond). At the boundary between the rock types the stream disappears underground - see SN8117 : Sinc y Giedd.
