Castell y Gwynt is a top of Glyder Fach in Snowdonia, north-west Wales.

It has a prominence of 15.7 m (51.5 ft), and was only included on the Nuttall's list after re-surveying in 2007.

The top is more famous as a feature than a summit.

Castell y Gwynt and the "Cantilever Stone" featured in the 1981 film Dragonslayer.

This Gwynedd location article is a stub.