GNGCI-015
Nant Ffrancon, to the north of Cwm Idwal is an ‘U-shaped’ valley or a classic glacial trough, having a valley with steep sides, a level floor and Afon Ogwen (a misfit river) running down the valley.
Nant Ffrancon, to the north of Cwm Idwal is an ‘U-shaped’ valley or a classic glacial trough, having a valley with steep sides, a level floor and Afon Ogwen (a misfit river) running down the valley.