Y Drosgl is a summit of the Carneddau range in Snowdonia, Wales, and forms a part of the western Carneddau, also known as the Berau, meaning 'stacks' or 'ricks'.
It lies on a ridge heading west from Carnedd Gwenllian and Bera Mawr towards Bethesda.
A large ancient burial cairn, dating from the Bronze Age, adorns the summit, from where good views of Cwm Caseg and the Menai can be seen.
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